Rust on rocks is it a Mechanical or

chemical

Several years ago, fish from Asia were introduced into ponds in the United States. They have rapidly grown in numbers and use up a lot of the food and habitats of other fish that are natural to the United States.

Summarize the total response of cortisol induced changes.

Which statement describes the motion of the water molecules in this situation? The water molecules move by active transport into the cell from low water concentration to high water concentration.

What is a scatter plot/line graph (With best-fit line) best suited for?

Sometimes the moon looks like a crescent. At other times, the moon looks like a half circle. What makes it possible to see the surface of the moon from Earth?

About four or five days after fertilization, a group of cells forms a ball-like structure. What is the name of this structure? A. Heart B. Placenta C. Blastocyst D. Stem Cell

Which of the following is the best definition of a scientific theory? A. a broad, well-supported explanation of related observations or events B. a description of a natural phenomenon that is always observed to occur under specific conditions C.

Consider a small protein containing 101 amino acid residues. the protein will have 200 bonds about which rotation can occur. assume that three orientations are possible about each of these bonds.

Where would i find the nucleus?

What is the protein coat that surrounds a virus called?