Answer:
carbon based molecules are four
carbohydrates, lipids, proteins, and nucleic acids. These molecules have different structures and functions, but all are formed around carbon chains and rings.
Both the temperate grasslands and temperate forests experience <u>seasonal climatic changes </u>
Explanation:
Both the temperate grasslands and temperate forests experience experience all the four seasons - spring, summer, winter and fall.
These climatic changes can be observed throughout the year with summer being warm and dry and winter being very cold. The summer temperature averages around 21 degrees centigrade while the winter temperature can go down below freezing levels.
This extremely cold winter leads to shedding of leaves of deciduous trees found in the temperate forests. The grasses in the temperate grasslands also shed and die annually with the roots and new buds protected by the soil during the cold weather.
The correct answers are A and the next one is B
Answer;
-Sea-floor spreading
Sea floor spreading is process that takes place at mid-ocean ridges, evidence is found in magnetic minerals on the ocean floor.
Explanation;
-Seafloor spreading is a geologic process in which tectonic plates; large slabs of Earth's lithosphere; split apart from each other.
-Seafloor spreading and other tectonic activity processes are the result of mantle convection. Mantle convection is the slow, churning motion of Earth’s mantle. Seafloor spreading occurs at divergent plate boundaries. As tectonic plates slowly move away from each other, heat from the mantle’s convection currents makes the crust more plastic and less dense.
True
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