B because the burning of fossil fuels release greenhouse gasses
The correct answer is Batesian. Animals that advertise their poisonous or dangerous qualities use a defense is called Batesian mimicry. Batesian is basically a mimicry form that a harmless species evolved into some warning for a harmful one directly on the predators.
Answer: A
Explanation:
Oxygen makes up another 20 to 21 percent of our atmosphere. It's essential for life on Earth, and interestingly enough, it is poisonous when highly concentrated. Our concentration of 20 to 21 percent seems just right.
It's C.
Can't be D cause DNA is made of genes.