<span>They are not visible because the chromatin coils up,shortens,and thickens.</span>
Answer:
A. oxygen
Explanation:
element in magma is most abundant is oxygen.
Answer:
Continental crust is typically 40 km (25 miles) thick, while oceanic crust is much thinner, averaging about 6 km (4 miles) in thickness. The effect of the different densities of lithospheric rock can be seen in the different average elevations of continental and oceanic crust.
Explanation:
I would chose the 4th one because biome is made up of a bunch of little biospheres
