Primary and secondary air pollutants can co-exist in the atmosphere.

a. True

b. False

A plateau is made of sandstone of varying densities. How is the plateau likely to change over time? Smooth columns would form due to deposition at the same rate. Smooth columns would form due to erosion at the same rate.

Which is not considered a macronutrient? a. nitrogen b. carbon c. sulfur d. iron e. phosphorous?

Elements are pure substances that make up all matter. Gold, aluminum, iron, and lead are some examples of these pure substances.

The purpose of molasses is to make game it is also known as sperm and egg cells and humans your body has 46 chromosomes how many chromosomes are in a sperm or egg salad if they come together to form a fertilized zygote there are 46 chromosomes?

Define the 2 properties of matter that determine its state

Suppose you remove your test cultures from the incubator and notice that one of them-a known fermenter-has a gas bubble in the Durham tube. Knowing that fermenters frequently produce gas, you ignore the bubble and proceed to the next step.

In peas, yellow seed color (y) is dominant to green seed color (y). which describes an organism that has nonidentical alleles for seed color? yy and has green seeds yy and has yellow seeds yy and has yellow seeds yy and has green seeds

What would you expect to happen if sea otters were removed from this food web? Check all that apply. The population of elephant seals would decrease. The population of kelp crabs would increase. The population of kelp would increase.

When blockages in the bloodstream read the Brian it can cause blank?

A gazelle is born with slightly longer legs which allow it to run faster than the other gazelles in the herd. This adaptation came may have come about because a. the gazelle needed to be able to run faster. b.