What occurs when the velocity of water carrying sediments is reduced?

When did Homo sapiens first evolve

A type of enzyme catalyzed chemical reaction that is very common in biology and involves joining building blocks monomers together to build a larger molecule known as Polymer

What are some advantages of solar energy? What are some disadvantages?

The fetal brain is constantly changing, forming as many as 2 million synaptic connections per second. connections that are used are strengthened, while connections that remain unused are eventually:

Which do guard cells control? a. movement through xylem b. movement through phloem c. the size of the stomata d. the rate of food production?

Meiosis is a specialized form of cell division that that produces

Gee's arm was cut during an industrial accident. the blood was pouring from the wound in spurts. which type of vessel was severed?

Why does Betelgeuse have a much greater absolute magnitude than apparent magnitude?

The cell's nucleus is filled with a substance called protein.

How are genes related to chromosomes?