The correct answer is B!
Why is this?
A mineral is a naturally occurring, inorganic solid with a definite crystalline structure and chemical composition. All minerals contain one or more elements, which are pure substances that cannot be broken down into simpler substances by chemical means.
<span>It is usually the + strand and the - strand. It can be quite a bit more complicated.</span>
A !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
Chlorophyll absorbs the red and blue segment of the white light and photosynthesis occurs most efficiently at these wavelengths.
When the light falls on the plant, the chlorophyll pigment absorbs this light and electrons in it gets excited.
This process occurs in a complex protein system which is collectively called as a photosystem.
Explanation:
Answer:
Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface. Permeable walls - allow gases to pass through. Extensive blood supply - ensuring oxygen rich blood is taken away from the lungs and carbon dioxide rich blood is taken to the lungs.
