am not totally sure but I think the answer is D
Pretty easy Oxygen!!!!!!!!!!
The sensors or nerves are part of the peripheral nervous system, while the brain, and spinal cord are not.
Answer:
(A) Winters would be cooler and summers warmer because of the closer proximity of the Earth to the Sun.
Explanation:
The Northern hemisphere of the earth in July is the summer, the hottest season of all, and in January it´s winter the coolest season of all, so if 13,000 years from now the earth will be closer to the sun in july and more far away in january what this would do is create cooler winters, and warmer summers.
Answer:For humans, the diploid chromosome number equation is 2n = 46 because humans have two sets of 23 chromosomes (22 sets of two autosomal or non-sex chromosomes and one set of two sex chromosomes). The diploid chromosome number varies by organism and ranges from 10 to 50 chromosomes per cell.
Explanation: