Answer:
Humans have 23 pairs of chromosomes--22 pairs of numbered chromosomes, called autosomes, and one pair of sex chromosomes, X and Y. Each parent contributes one chromosome to each pair so that offspring get half of their chromosomes from their mother and half from their father.
Explanation:
(Sorry, I'm not sure)
I think the answer is b online I found that Organic sedimentary rocks form from the accumulation and lithification of organic debris, such as leaves, roots, and other plant or animal material
Answer:
change over time and descent from a common ancestor
Answer: Freshwater biomes have water that contains little or no salt. They include standing and running freshwater biomes. Standing freshwater biomes include ponds and lakes. Running freshwater biomes include streams and rivers
The Cryosphere is consisted of earths frozen water. The Geosphere and the Cryosphere interact by ice-wedging, and weathering rocks.
Hope this helps:)