Why do candles stop burning when you cover them

Certain small towns in the western United States have remained isolated and inbred since their settlement many years ago. Some alleles are more common in these communities as compared to the rest of the population.

An example of an everyday device that uses semiconductors would be a drinking glass. True or False?

The crab industry needs female crabs for growing more crabs. What bacterium might be used to ensure development of female crabs and shrimp? A) Acinetobacter B) Gemmata C) Neisseria D) Pelagibacter E) Wolbachia

Which statement is true about the elements of the earth? A. the earth element stays in the same area of the lithosphere, hydrosphere, or atmosphere where they originated when the earth was formed. B.

Explain how some substances cross the cell membrane by facilitated diffusion?

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.