Volcanic eruptions can send huge clouds of gas and dust into the air. These dust particles can block sunlight. How might the eruption of a large volcano affect weather for years to come?

Which of the following needs a host to reproduce? 1) all of the above 2) eukaryotic cell 3) none of the above 4) prokaryotic cell 5) virus

When a cells volume becomes to great for the surface area to maintain the cell will A) die. B) divide. C) grow. D) move.

How does a rain shadow affect the weather?

How are allele frequencies related to a gene pool

Where should the hyphen be placed? An ex high school standout, he enjoyed a stellar college career at the University of Kansas. A - An ex high school standout, he enjoyed a-stellar college career at the University of Kansas.

Many protozoa have tiny hair-like structures that beat back and forth to aid a protozoa's movement. What are these hair-like structures called?

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.