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.
Deforestation effects soil quality and desertification will also effect the soils fertility. hope this helps :)
Aggregates of mineral form rock
D, you have the right answer. Kalanchoe plants produce asexually
Aristotle based his classification system off of observations of animals, and used physical characteristics to divide animals into two groups
