The only statement on the options that says true about density is:
> The density of an object determines whether it will sink or float.
Why?
Density is a physical property of an object.
Density is not derived as a unit of measure. It is derived from 2 fundamental units: kg and m.
The Density of an object is not constant.
Density is calculated by dividing the mass by the volume of an object.
Answer:
It excites electrons
Explanation:
Energy from sunlight excites electrons in plant cells and drives the chemical reaction needed to produce food in plants.
- This reaction is called photosynthesis.
- During photosynthesis, green plants manufacture their food using sunlight in the presence of carbon dioxide and water.
- The product of the reaction is glucose and oxygen gas.
- The role of the sunlight is to excite electrons which facilitates the process.
The answer to this one is <span>B.Blood vessels are not located in the epidermis, but in the underlying dermal connective tissue.
I'm being serious I took this on edgeunity
hoped this shelped
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2 to counteract the protons
