Answer:
4 mass extinctions
Explanation:
as there are huge drops in the graphs
at 440,390,260,50
Mark me as brainliest pls
Answer:
Genes carry the knowledge that determines your traits, that are options or characteristics that are passed on to you — or heritable — from your parents. every cell within the physical structure contains regarding twenty five,000 to 35,000 genes.
Explanation:
Answer:
False
Explanation:
Beryllium is used in alloys with copper or nickel to make gyroscopes, springs, electrical contacts, spot-welding electrodes and non-sparking tools. Mixing beryllium with these metals increases their electrical and thermal conductivity. Other beryllium alloys are used as structural materials for high-speed aircraft, missiles, spacecraft and communication satellites. Beryllium is also used in nuclear reactors as a reflector or moderator of neutrons.
The correct answer is Psychoneuroimmunology.
Psychoneuroimmunology is known as the the study of the interplays among the psychological processes and the apprehensive and immune structures of the human body. The main goals of the study are the interactions among the nervous and immune structures and the relationships among mental procedures and fitness.
Pre-embryonic cleavages make use of the abundant cytoplasm of the conceptus as the cells rapidly divide without changing the total volume.
