Which statement describes one feature of chemical changes? They never change a substance’s properties. They change a substance’s identity. They can usually be reversed. They keep a substance’s arrangement of atoms the same.

Answers

Answer 1

They change a substance’s identity.

Answer 2

Answer:

They change a substance’s identity.

Explanation:


Related Questions

What structure is used to transport organic molecules from the leaves to the other parts of the plant

Answers

Answer:

Phloem

Explanation: Phloem is the vascular tissue responsible for transporting organic nutrients around the plant body, carries dissolved sugars from the leaves (their site of production) or storage sites to other parts of the plant that require nutrients.

A meter stick or meter tape is used to measure the length, width, or height of an object. A meter stick is most often divided and labeled with numbers representing what unit?
A) centimeters.
B) meters.
C) milliliters.
D) millimeters.

Answers

Answer:

a centimeters

Explanation:

I think this is right. has both centimeters and millimeters but centimeters are labeled

Answer:

A) centimeters.

Explanation:

Which of the following statements correctly describes the full value of a keystone species on its
ecological community?

First and Correct answer gets Brainly.

Answers

Answer: C

Explanation:

A keystone species helps to  define an ecosystem. The correct answer is option C.

What is the main purpose of a keystone species ?

It is that they help to hold the systems together. It will be difficult for the certain species to adapt to the changes that environment goes through.  

Keystone species are species which has the  significant and a large influence on community structure with the characteristics.  It is often considerably  with the  lower  abundance and  the biomass in comparison to dominant species. If  removed  such species can  cause  a serious disruption in  the structure with the function of  a community.

In  marine ecosystem  or other type of  an ecosystem in that case  a keystone species defines an  organism which helps to  hold system together.  Excluding such species, ecosystems will sound very different. Some of them might  not  adapt to environmental changes and  if the keystone species disappeared.

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What property causes the cohesion of water molecules that moves water through a plant against the force of gravity?

Answers

Answer:

I believe the answer is polarity, though I am unable to find an exact statement.

Explanation:

I believe it is polarity because of the way water moves through a plant and its relation to gravity.

How many layers does earths atmosphere have

Answers

Answer:

7

Explanation:

The atmosphere is comprised of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere. A further region at about 500 km above the Earth's surface is called the exosphere.

Opposition to a certain perspective can___

Answers

Answer:

delay or stifle the emergence of the perspective

Explanation:

I hope this helps :)

Which terms correctly identify the indicated structures in this
sketch of a cell viewed under a microscope?
Drag and drop a term to match each label.
Cell wall
Chloroplasts
Endoplasmic reticulum
Gogli apparatus
Large central vacuole
Lysosome
Mitochondrion
Nucleus
Plasma member
Vesicle

Answers

Answer:

Correct answers:

1

Gogli apparatus

2

nucleolus

3

endoplasmic reticulum

4

mitochondrion

5

ribosome

6

lysosome

Explanation:

just took the test hope this helps :)))))

The terms that correctly identify the indicated structures in this sketch of a cell viewed under a microscope are as follows:

A: Large central vacuole.B: Mitochondrion.C: Cell wall. D: Chloroplast.E: Lysosome. F: Endoplasmic reticulum

What is a Microscope?

A Microscope may be defined as a type of laboratory instrument which is utilized to observe small things that are too small to be visualized by the unaided eyes. This type of instrument is typically used to view cellular functions and structures.

A large central vacuole accounts for almost 90% of the plant cell volume. The Cell wall of the plant is made up of cellulose. Mitochondria deliver energy that is needed by the cell in order to accomplish metabolic activities. A Chloroplast is a membrane-bound cell organelle that facilitates the process of photosynthesis.

Therefore, the terms that correctly identify the indicated structures in this sketch of a cell viewed under a microscope are well mentioned above.

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