A geologist studies rocks and such
Answer:
B
Explanation:
When deforestation takes place, it heats up the atmosphere causing more global warming.
D looks like the oldest one because there is barley anything there. if not then I would do b
Answer:
The purpose of ethical guidelines for handling of experimental subjects is to ensure the safety and well-being of all living creatures in an experiment. Ethical guidelines include issues such as human rights, animal welfare, safety compliance with the law, conflicts of interest, health standards.
