Short answer is: D and A :) If you need an explanation, tell me and i will be happy to explain
<span>The number of protons plus the number of neutrons is called the mass number.</span>
Answer:
range from wings in flying animals like bats, birds, and insects, to fins in animals like penguins and fish, plants and other organisms can also demonstrate analogous structures such as sweet potatoes, which have the same function of food storage
Answer: afforestation
Explanation:by planting trees they would be able to "inhale "the carbon iv oxide and in exchange exhale Oxygen
