Answer: D
Explanation: This is because the coal has carbon dioxide and when it is released into the air it causes acid rain.
Answer:
the sun's rays hit the Earth at a shallow angle because the sun is lower in the sky.The long nights and short days prevent the Earth from warming up.
Answer:
Adaption is needed for a living thing to strive in a system, its how they survive.
Explanation:
Adaptation is needed to survive. This includes climate, predators around it etc. For example polar bears. Polar bears adapt to their environment by growing thick coats of fur. These coats keep the bears warm.Without it they would die.
I am pretty sure the answer is A but i'm not sure
Friedrich Miescher in 1869
