Explain wat solar radiation and shape of earth have in makin some areas of earth have higher temperatures and increased rainfall. also explain why some areas have a change of seasons and others do not.

Between leaving the right side of the heart and arriving back at the left side of the heart, what has happened to the percent of oxygen in the blood

A consumer is an organism that gets its energy from (BLANK). All (BLANK) are consumers.

During this process, the nucleus of a cell divides to form two nuclei that are identical to the original cell.

When the eyes are open what sensory organs provide information needed to maintain equilibrium?

Which type of molecules does the body use to build and repair muscle tissue? nucleic acids carbohydrates lipids proteins

Why is the structure of dna called a double helix? a. because each of the curved dna subunits appears twice whenever it appears b. because dna is made of two strands of nucleotides wound together in a spiral. c.

Explain how glossopteris fossils provide evidence of continental drift

If a person has memory B cells against a certain pathogen, the person is ... a) likely to develop that disease b) much less likely to develop the disease a second time c) able to spread the disease to others through physical contact d) probably

A _[blank]_ solution contains a lot of dissolved solute for a given volume, whereas a _[blank]_ solution contains very little.

Some embryos do not survive through to the fetal stage, which begins about two months after fertilization. When this happens, the mother is said to have had A) endometriosis. B) a miscarriage. C) a toxic shock. D) an implantation.