Explanation:
the exosphere is the outermost layer of our atmosphere answer is d
The spinal cord is at work
Answer:
A cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of living matter and compose all living things. Now put that into your own words.
Explanation:
Cell biologists photograph cells in mitosis, then cut out the chromosomes from the photographs and group them together in pairs to form a karyotype.
