Answer:
B Semiconductors are more conductive than a nonmetal and less conductive than a metal
Explanation:
Just took Cumulative Exam
According to the question, Semiconductors are more conductive than a nonmetal and less conductive than a metal.
What is a semiconductor with examples?Some examples of semiconductors are silicon, germanium, gallium arsenide, and elements near the so-called "metalloid staircase" on the periodic table.
Thus, the correct option is "B".
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The advantage of using an inclined plane is to reduce the-
a. Force needed to lift heavy objects
b. Time needed to load many objects
c. Work being done while moving objects
d. Amount of friction affecting the objects
Answer:
a
Explanation:
it allows you to go up but not to hard
HELP ASAP 20 POINTS!!!!!!!!!!!!
2 ANSWERS
Answer:
A, and D
Explanation:
its the answer I believe
Answer:
Nitrogen, Calcium
Explanation:
im pretty sure.
What three measurements do you need to find the density of a liquid?
mass, volume, density
The attraction between the hydrogen atom on one water molecule and the oxygen
atom on another water molecule is called a(n)
Answer: Hydrogen bond or a covalent bond.
Explanation:
PLEASE HELP! 50 POINTS
fill in the blanks..
Answer:
All organic compounds contain CARBON AND HYDROGEN. carbon atoms have FOUR valance electrons so it can bond with TWO other atoms.
(I am also not sure that it 100% two but that is what I think.)
Answer:
Carbon and Hydrogen
Explanation:
carbon atoms has four valence electrons meaning that it can bond with two others
What is the connection between hypotheses and tests in an
investigation?
Answer:
your hypotheses is what you predict the results of the test are gonna be based on evidence
Explanation:
The __ releases enzymes that digest proteins
Liver
Gallbladder
Liver
Answer:
its the pancreas
Explanation:
Explain the process of Mitosis and explain each phase.
Answer:
prophase-during which the chromosomes become visible as paired chromatids and the nuclear envelope disappears
Metaphase-during which the chromosomes become attached to the spindle fibers.
Anaphase-which the chromosomes move away from one another to opposite poles of the spindle.
Telophase-in which the chromatids or chromosomes move to opposite ends of the cell and two Identical nuclei are formed.
Explanation:
Write a paragraph, using at least 4-6 sentences, that explains how and why the classification system has changed over time.
Answer:
they change over time based on newly gathered information, such as molecular information about a species. Organisms are now classified in a more specific manner which has ended up introducing so many new species of organisms.
Explanation:
The convection cycles of the mantle are the main cause of the movement of what part of the earth?
A) atmosphere B) Core C) crust D) Oceans
Which of the following statements can be attributed to water's versatility as a
SOLVENT?
Answer:
1no. is the answer I think
A widespread dispersal pattern of elongated bloodstains is found on a wall with a void at the point of origin. the bloodstains are less than 1-4 mm in diameter. which weapon most likely caused the blood-spatter pattern?
A. handgun
B. baseball bat
C. knife
D. shotgun
Answer:
it was a shotgun
Explanation:
i took the test
What is the difference between determination and differentiation?
Answer:
determination is the process in which embryonic stem cells commit to one specialized function. differentiation is the process in which cells develop their specialized shapes and functions. determination has to happen for differentiation to occur.
Answer:
the answer is as follow Determination implies a stable change . Differentiation follows determination. determination has to happen for differentiation to occur.
Explanation:
a science student creates the table contrasting the four outer planets. Where is the error in the students table?
A. The planet sizes are switched.
B. The rotation speed of uranus and saturn are switched.
C. The rotation speed of jupiter and Saturn are switched.
D. The Atmospheric compositions are switched.
sorry the pictures blurry
Answer:
B
Explanation:
Took the quiz
Answer:
B
Explanation:
I took the quiz as well.
How might the lack of water affect life process at the cellular level and how would this affect an organism?
Answer:
Water creates pressure inside the cell that helps it maintain shape. ... Without water, cell membranes would lack structure, and without proper membrane structure, cells would be unable to keep important molecules inside the cell and harmful molecules outside the cell.If all the leaves were shriveled on a plant, what process would not be able to happen
Answer:
fajamarutation process
Explanation:
HELP ME PLEASE!!!!!!
climate region of Russia. Coniferous forests are located in the
A.) tundra
B.) subarctic
C.) semiarid
D.) humid continental
Answer:
subartic/b
Explanation:
I took the test! If Im right please mark brainliest!
Answer:
Yes the answer is b.
Explanation:
I took the unit test to
Help :(
Compare and contrast bodily reactions driven by two parts of the ANS: the sympathetic nervous system and the parasympathetic nervous system. Provide examples where each system would be highly active.
Difference
The sympathetic nervous system prepares the body for the “fight or flight” response during any potential danger. On the other hand, the parasympathetic nervous system inhibits the body from overworking and restores the body to a calm and composed state.
Examples of parasympathetic responses
An easy acronym to remember how and where the PSNS works is SLUDD. This stands for:
Salivation: As part of its rest-and-digest function, the PSNS stimulates production of saliva, which contains enzymes to help your food digest.
Lacrimation: Lacrimation is a fancy word for making tears. Tears keep your eyes lubricated, preserving their delicate tissues.
Urination: The PSNS contracts the bladder, which squeezes it so urine can come out.
Digestion: The PSNS stimulates the release of saliva to promote digestion. It also enacts peristalsis, or the movement of the stomach and intestines, to digest food as well as release bile for the body to digest fats.
Defecation: The PSNS constricts the sphincters in the intestine and moves digested food material down the digestive tract so a person can have a bowel movement.
Examples of the Sympathetic Nervous System Response
The classic case of SNS response is a physical danger, especially with a potential predator, and the preparation of the body for either fight-or-flight. The overall system is designed to enhance voluntary muscle activity while shutting down all non-essential functions.
Arterioles and veins in most vascular beds constrict, reducing blood flow to the skin and digestive organs. Sphincters in the digestive organs also constrict, to control the flow of food from one organ to the next. However, coronary blood vessels, pulmonary circulation and parts of the respiratory tree respond with dilation, to enhance cardiac output. The heart beats with greater contractile force and at a higher frequency as well. Vasoconstriction in many parts of the body also increases blood pressure.
Similarity
Both are the part of ANS. Both originate from the spinal cord. Both have huge influence on physiological process of the body such as respiration, circulation, digestion, urination and reproduction.
The SYMPATHETIC nervous system drives fight-or-flight responses, whereas the PARASYMPATHETIC nervous system drives “rest and digest” responses.
The autonomic nervous system (ANS) comprises the sympathetic system and parasympathetic system.
The sympathetic nervous stimulates 'fight or flight' responses, whereas the parasympathetic system activates 'rest and digest' responses.
The sympathetic nervous system is involved in body reactions such as the acceleration of the heart, constriction of the blood vessels, etc.
The sympathetic nervous system is involved in body reactions such as lowering the heart rate, lowering the flow of blood to skeletal muscles, etc.
Some examples that activate the parasympathetic system include:
Get a massageMeditationSlow breathingSome examples that activate the sympathetic system include:
StressOverstimulationIn conclusion, the SYMPATHETIC nervous system drives fight-or-flight responses, whereas the PARASYMPATHETIC nervous system drives “rest and digest” responses.
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Find the difference between testosterone and the steroid molecule.
Brainliest!
Answer:
It's true that anabolic steroids used by some bodybuilders and athletes contain testosterone or chemicals that act like testosterone. The difference is that doses used in testosterone replacement only achieve physiologic (natural) levels of hormone in the blood.
Explanation:
does this help :)
Question 17 Multiple Choice Worth 5 points)
(0101 MC)
For many generations, a forest has been the home of a single species of bird, these birds primarily eat insects off the forest floor One year, humans living in the area accidentally introduce a new
species of bird to the forest. This new species has the same diet as the existing species. Which description predicts what will most likely result from these two species of bird living in the same
ecosystem?
Both bird species cannot occupy the same niche and therefore, one species will die of
D
O Both bird species would share the forest and have plenty of food and resources
One bird species will adapt and feed on different organisms in the forest
The established species will battle the introduced species of bird until death
what kind of relationship is this
Answer:
ANSWER C: Predator Prey
Which statement explains something that the fossil record indicates?
Earth is 4.5 billion years old.
Mammals have always existed on Earth.
Mass extinctions have occurred several times on Earth.
The amount of water on Earth has decreased over time.
Answer:
Mass extincions have occured several times on Earth.
Explanation:
Answer:
C. Mass extincions have occured several times on Earth.
Explanation:
took the test :)
Plants that thrive in this type of climate are most likely adapted to which of these conditions
Answer:
Plants Adapting
Explanation:
Plants adapt to their environment from necessity. Plants may also adapt by growing lower and closer to the ground to shield themselves from wind and cold. Desert environments may have some of the following adaptations, these help the plant to conserve food, energy and water and still be able to reproduce effectively.
I can not fully answer your question because I do not know these conditions, did your teacher give a list?
Why are excess nutrients a problem?
Answer:
Excess nutrients are a problem because they cause nutrient pollution in bodies of water. This pollution can feed dangerous algae and can kill things that make oxygen.
This model of the cell cycle includes two arrows that each represent a process in the cycle. What do the two arrows represent?
what is europhication
Answer:
Eutrophication, the gradual increase in the concentration of phosphorus, nitrogen, and other plant nutrients in an aging aquatic ecosystem such as a lake. The productivity or fertility of such an ecosystem naturally increases as the amount of organic material that can be broken down into nutrients increases.
Can someone please give me An example of an ionic bond with a positive ion and negative ion
Answer:
NaCl
Explanation:
ionic bond is the bond results from the electro static force of attraction between oppositely charged ions in other words its the linkage formed by the transfer of one or more electron from one atom to another atom
Na gives it electron to chlroine so Na becomes positively charged and Cl becomes negatively charged and they attract each other to form ionic bond
Na is positive Cl is negative
BRAINLIEST What stage of cellular respiration uses the high-energy electrons from NADH and FADH2 to form ATP molecules?
Krebs cycle
Electron transport chain
Fermentation
Glycolysis
Answer:
Krebs cycle
Explanation:
Electron transport chain
AD+ and NADH: NAD+ is an electron carrier that accepts a pair of high-energy electrons to become NADH. The NADH carries the high-energy electrons to the electron transport chain where they are used to build high-powered ATP molecules.
Hope it helps!
In what phase does the process shown in the image happen in? (see image below)
Cytokinesis
S phase of Interphase
G1 phase of Interphase
Mitosis
G2 phase of Interphase
Answer:
S phase
Explanation:
If a recipe calls for 5 g of sugar, and you have 7 mg of sugar, do you have enough sugar for the recipe? Why or why not?
Answer:
if recipe calls 5g of sugar it's a lot that the sugar u have so, the answer is no
Answer:
no
Explanation:
because 0.007<5g
by converting the units