Which of the following materials is the heaviest?

A. Aluminum (density 2.7 g/cm3)

B. Copper (density 8.9 g/cm3)

C. Gold (density 19.3 g/cm3)

D. Lead (density 11.4 g/cm3)

What is the name of the layer of cells directly below the cuticle

Contraction of which structure compresses the urinary bladder and expels its contents into the urethra? contraction of which structure compresses the urinary bladder and expels its contents into the urethra?

Angelina observes that her gardener cuts the tips of her ornamental plants at regular intervals of about 10-15 days. When she asks him why he does this, he tells her that this allows the tree to grow faster and bushier.

1. How would you design a test to determine if the ebony color is dominant over the yellow?

Which phrase best defines topography? A. height above sea level B. rise and fall of the land C. north or south distance from the equator D. climate

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.