Answer:
A. What causes some people to be color-blind?
Explanation:
This is something that could be tested with different variables including DNA, or past family medical history.
The excretory system allows animals to remove metabolic waste their bodies. Many of these substances are potentially toxic. in Mammals nitrogenous toxins like urea are expelled through liquid urine while in reptiles and birds the nitrogenous compounds are expelled as a solid. This allows birds and reptiles to use less water in the processes of metabolism.
Answer:
<em>T</em>rue
Explanation:
Rhizopus is a genus of common fungi that develops on plants and specialized parasites on animals, it is fairly common in all kinds of foods like mature fruits, jellies, syrups, bread, peanuts, etc. They develop hyphae called rhizoids on this food and can be visible.
<span>Are pollution can cause acid rain and the acid rain can hurt lots of living things. </span>
Answer:
B
Explanation:
your answer is chlorophyll 100% positive
