Answer: Its when you don't know nothing and lose most of your cells and barely know aything p.s IGMME
The main and the most promising difference between active and passive transport is, passive transport does not require energy while active energy does.
Answer: c
Explanation: Plants and animals need nitrogen to make proteins but they cannot take it in from the air. Because nitrogen is unreactive as a gas, it has to be transformed into a new molecule. When bacteria in the soil takes nitrogen from the air, it becomes nitrates. Finally, it can move through the food chain in this form.
The more people the more waste that will be created so D
Answer:
it illustrated natural selection because the most favorable traits live longer than the unfavorable traits.
Explanation:
