Write a 5-6 sentence summary answering the following questions:
- What do you already know about heating devices and ice storms?
- What do you wonder about heating devices and ice storms?
( no random answer or incorrect answers will be flagged)
Answer: ⬇
Explanation:
Heating devices help during an Ice Storm. Heat devices can be used to keep you warm and your family warm. Heating devices are used to also heat your house. Heating devices that run on electricity can also be no help if an Ice storm knocks out the power. Can heating devices run solar?Why aren't towns prepared enough during an Ice Storm?
What are fossil fuels composed of?
Carbon
Nitrogen
Oxygen
Using the graph above, which species has the highest management costs?
brown tree snakes
fire ants
mosquitoes
termites
The one with the most management cost is Brown tree snakes
Imagine that you have just made a fresh apple pie. When you take it out of the oven, it is so hot, you can't even hold it in your hand; so you place it on the kitchen table. Now, several minutes later, you are able to cut a slice and eat it. The apple pie has cooled, the question now is, where has the heat gone? Select which of the following below is most likely to have occurred and provide a well developed, written explanation for your response using scientific principles learned in class.
Answer:
Radiation (I think)
Explanation:
The electromagnetic radiation emitted from the source carries heat energy away from the source to surroundings, the infrared or electromagnetic waves escape from the hot apple pie through radiation into the surrounding air.
Could someone help me? Will give a scobby snack!
Kiana rides her skateboard with a constant speed of 6 km/h. How long will she take to travel a distance of 10 kilometers?
Answer:
100minutes
Explanation:
we take 6/km an hour and make it 1 km per 10 minutes and then multiply it by 100
Potassium + Chlorine --> Potassium Chloride
Write the balanced chemical equation for this.
Will mark brainliest :)
Answer:
The balanced equation is 2K(s) + Cl2(g)→2KCl(s)
Answer:
The balanced Chemical is normaly
and Potassium+ Magnissium+ Potassium
Explanation:
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when will hawaii collide with japan
Which of these statements about cells is correct?
A) Adult cells are larger than those in a child.
B) Cells must produce their own food.
C) Organisms must have more than one cell to grow.
D) Multicellular organisms can have more than a billion cells.
Answer:
A) Adult cells are larger than those in a child.
Explanation:
Fully-grown adults are much larger in size than young children.
Order the following events in a sequence that most logically describes the movement of water from the ocean to the bottom of a well in a village on the island.
1.infiltration
2.condensation
3.precipitation
4.evaporation
Answer:
3 ong
Explanation:
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science
ILL GIVE BRAINLEY IF CORRECT
Answer:
true
Explanation:
Choose all the answers that apply.
Extinction can be caused by _____.
habitat destruction
natural disasters
disease
invasive species
The answer is all of the above
Answer:
All of above
Explanation:
There are still more like global warming, population over growth, and even overconsumption. But mainly habitat destruction, natural disasters, disease, and invasive species. Just remember that this are all naturally occurring ways of extinction.
Ms. Hu was teaching her students about Earth days and Earth years. She set up this model. How should Ms. Hu move the parts of her model to illustrate an Earth day? Describe what an Earth day is in terms of the movement of the Earth/Sun.
(Earth Science)
Explanation:
Earth spins around its axis, just as a top spins around its spindle. This spinning movement is called Earth's rotation. At the same time that the Earth spins on its axis, it also orbits, or revolves around the Sun. This movement is called revolution.
Can someone please help :b
Answer:
13 oxygen atoms are represented.
Explanation:
3 atoms of Sr + 2 atoms of P + 8 atoms of O = 13 atoms total are present. Calcium phosphate chemical formula is given as Ca3(PO4)2.Nov 19, 2020
Answer:
A: 13
Explanation:
Element Symbol Number #
Strontium Sr 3
Phosphorus P 2
Oxygen O 8
Sea caves form from waves breaking on a cliff and eroding the rock. Is this a physical or chemical change? [No Links]
What observations did Galileo make with his telescope? Select all that apply.
star clusters in the Milky Way
comets in the Kuiper belt
craters on the Moon
moons of Jupiter
Answer:
Explanation:
Craters of the moon
4 moons on Jupiter
hope this helps
Answer:
Craters on the Moon
and moons of Jupiter
Describe (with good adjectives) what an asteroid looks like. Write 2-3 sentences.
If you wanted to look for an asteroid, which two planets should you look between?
What do you call a space rock that enters the atmosphere of Earth, but doesn’t hit the earth?
What is the name of a space rock that crashes into Earth?
Which example is most likely made from both metals and gemstones?
necklace
soda can
window frame
kitchen utensil
The example is most likely made from both metals and gemstones is necklace and the correct option is option 1.
What are Metals?Metals are natural compounds of earth’s crust, in which they are generally found in the form of metal ores, associated both with each other and with many other elements.
Metals are opaque, lustrous elements that are good conductors of heat and electricity. Most metals are malleable and ductile and are, in general, denser than the other elemental substances.
Usually, all the metals have a shiny appearance but these metals can also be polished to have a shiny appearance.
Therefore, The example is most likely made from both metals and gemstones is necklace and the correct option is option 1.
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Which example is most likely made from both metals and gemstones?
necklace
soda can
window frame
kitchen utensil
please help im really stressed and doing 2 tests at the same time
Finish the statement: A dwarf planet…
has enough mass to orbit either a planet or the Sun.
has enough mass to clear its orbit of other objects.
has enough mass to attain a spherical shape.
doesn't have enough mass to have its own moon.
It's not A
Answer:
has enough mass to attain a spherical shape.
Explanation:
hope this helps
Forms of Energy
Week of May 10th
Energy
Kinetic energy
Potential energy
Work
Mechanical energy
Sound energy
Thermal energy
Electric energy
Radiant energy
Nuclear energy
Explanation:
energy: power derived from the utilization of physical or chemical resources
kenetic energy: energy which a body possesses by virtue of being in motion
potential energy: the energy possessed by a body by virtue of its position relative to others
work: forced multiples distance
mechanical energy: energy of an object due to its motion or position; the sum of an objects kenetic energy and potential energy
sound energy: movement of energy through a substance
thermal energy: refers to energy contained within a system that is responsible for its temperature
electric energy: energy (both kinetic and potential) in the changed particles of an atom that can be used to apply force and/or do work
radiant energy: energy that travels by waves or particles
nuclear energy: energy in the nucleus, or core, of an atom
Animals are identified by their characteristics. Both rabbits and horses are mammals. They share many characteristics. Which of these characteristics do they not share?
A) Number of legs
B) Way that they feed young
C) Type of feet
D) Type of food they eat
Answer:
A or C unless it is a multichoice question if so it is both!
Which property do we observe when we watch kids blowing bubbles? a density b color c solubility d flammability
Answer:
its a
Explanation:
We observe when we watch kids blowing bubbles it is a property of density. Therefore, option A is correct.
What is density ?The mass of a material per unit of volume is its density. Density is most frequently represented by the symbol, however Latin letter D may also be used. Mass divided by volume.
A liquid's density is a gauge of how heavy it is relative to the amount being measured. The liquid that weighs heavier is more dense if you weigh two liquids with similar volumes or quantities. A liquid that is less dense than water will float if it is gradually introduced to the water's surface.
By dividing a material's mass by its volume, the density of a substance may be estimated. The most common units for density are grams per milliliter, or g/mL, which is equivalent to grams per cubic centimeter.
Thus, option A is correct.
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Which of the following elements is the most reactive?
A. Mn
B. B
C. Sr
D. Kr
Answer:
The answer to this question is......C
Two or more than two atoms with different physical or chemical properties can not combine together to form an element. Therefore, Sr is the element which is most reactive. The correct option is option C.
What is element?Element generally consist of atoms or we can atoms combine to form element. Atoms of an element is always same, means all the properties of all atoms of one type of element is same.
On going down the group of periodic table, size increases due to increase in number of shells, easiness to eject one electron increases. Group 2 elements are the most reactive as it has only 2 electrons to loose. Sr is the element which is most reactive among all the given options.
Therefore, Sr is the element which is most reactive. The correct option is option C.
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Pluto was considered a planet from its discovery in 1930 until 2006. Why is it no longer called a planet?
A) Pluto does not directly orbit the Sun.
B) Pluto has not cleared its orbit of other objects.
C) Pluto does not orbit on the same plane with the other planets.
D) Pluto has not attained hydrostatic equilibrium.
It's not C, that's what I know
Answer:
B) Pluto has not cleared its orbit of other objects.
Explanation:
Pluto is a dwarf planet b/c it has not cleared its orbit of other objects.
Directly from library of congress: https://www.loc.gov/everyday-mysteries/astronomy/item/why-is-pluto-no-longer-a-planet/
Answer: D) Pluto has not attained hydrostatic equilibrium
Explanation:
Scientists need to learn to make arguments based on evidence. That means they back up their statements with facts that support them. Prokaryotes and eukaryotes look very different. Please make an argument based on evidence that they should both be considered cells anyways.
All complex life on Earth is eukaryotic. All eukaryotic cells share a common ancestor that arose just once in four billion years of evolution. Prokaryotes show no tendency to evolve greater morphological complexity, despite their metabolic virtuosity. Here I argue that the eukaryotic cell originated in a unique prokaryotic endosymbiosis, a singular event that transformed the selection pressures acting on both host and endosymbiont.
The combination of massive bioenergetic expansion, release from genome-size constraints, and high mutation rate favored a protosexual cell cycle and the accumulation of eukaryotic traits. These factors explain the unique origin of eukaryotes, the absence of true evolutionary intermediates, and the evolution of sex in eukaryotes but not prokaryotes.
Preparing a meal involves both physical and chemical changes. Which involves a chemical change?
toasting bread
boiling water
making ice cubes
slicing a carrot
What two factors determine a planet’s orbit? Select all that apply.
planet’s shape
planet’s velocity
gravity
planet’s volume
Answer: The two main factors that determine a planet's orbit are the mass of the planet and the mass of the object it is orbiting (such as a star)
Explanation: The gravitational force between these two objects causes the planet to follow an elliptical orbit around the object. The planet's velocity, or speed, also plays a role in its orbit, as it determines the shape of the orbit. The shape of the planet itself does not significantly affect its orbit. The planet's volume may have some effect on its orbit if the planet has a high density and therefore a strong gravitational pull, but it is not a primary factor.
The gases in the can of compressed air are at the temperature of 298.3 K and a pressure of 270.3. If the gases in the can reach a pressure of 874.6 the can will explode. What temperature (in K) would the can need to be heated up for it to explode.
Answer:
The gases in the can of compressed air are at the temperature of 298.3 K and a pressure of 270.3.
Explanation:
Answer:
The gases in the can of compressed air are at the temperature of 298.3 K and a pressure of 270.3.
Explanation: