D. homologous chromosomes pair up
Answer:
Build homes and stable environments for people to live in during the bad weather.
The human brain consumes up to 20% of the energy used the entire human body which is any other single organ. the brain represents inly 2%of the body wheight yet it recieves 15% of the cardiac output and 20% of the total body oxygen consumption.
That would be PH and Salinity and Temperature
