Why does the warm air rise up and over the cold air at a cold front

Alfred Kinsey conducted research to determine what percentage of the population was heterosexual and what percentage was homosexual. Why would he have avoided asking the question, "Do you identify as gay or straight?"A.

A population of water snakes is found on an island in Lake Erie. Some of the snakes are banded and some are unbanded; banding is caused by an autosomal allele that is recessive to an allele for no bands.

Which of the following is true for a prokaryote? It is one of the first life forms to appear. It has all membrane-bound organelles. It must be a multicellular organism. It evolved from eukaryotes.

Which selection is a characteristic of both living and non-living things? A) They both use and obtain energy. B) The same atoms and subatomic particles can be found in both. C) They are both made of cells. D) They both have a metabolism.

1. At which location would sunlight have to pass through the thickest amount of atmosphere before reaching Earth's surface? Select one: a. At the poles b. At the equator c. At the subtropical latitudes d. At latitudes between 50 and 80 degrees 2.

At 9:00 there are exactly 10 bacteria in a dish and the population doubles every 15 minutes

What is a cell containing two complete sets of chromosomes one from each parent

What do scientists think the main cause for global warming is?

Which organelle is the "post office" of the cell? * nucleus endoplasmic reticulum golgi apparatus cell membrane

Imagine that you want to breed a species of rose that has a wonderful smell. You have many different types of roses, but none of the individual roses has the wonderful smell that you want.