Going by the passage about bird food and bird watching, which is noted by Dr. Elsa Birde, a possible reason why there might be an <span>the increase in songbirds at the freeders is the addition of dried apples and raisins to the formula.</span>
Answer:
Early experiments on children don't fit today's standards of ethical treatment.
Explanation:
Today, because of advances in ethical considerations scientists would not conduct this experiment never the less get approved to do it because an infant would not be able to speak up and make decisions.
D) Amphibia was considered to be the first to develop lungs
Answer:
Chlorophyll
Explanation:
Chlorophyll is needed for photosynthesis in plants so the ammount of chlrophyll will limit the rate of photosynthesis because its needed for it
