What is a concentration gradient? what does it mean if a molecule diffuses down it's concentration gradient?

How does the jet stream influence global weather? The jet stream moves weather from one place to another. Thunderstorms are produced by the jet stream. Hurricanes are produced by the jet stream. Tornadoes are produced by the jet stream.

Suppose a group of bobcats that normally live and hunt in the tops of mountains, start hunting prey at the base of the mountain and move into the valley below. Which of the following will most likely happen to the prey in the valley?

A child with a bloated belly, thin hair, and an inability to concentrate may be suffering from malnutrition

Can you infer why P waves travel faster through the upper mantle
than they do through the crust?

How do prokaryotes provide nutrients to human

Which of the following is an accurate definition of relative age? A. a rock's age as compared to the ages of other rocks B. the number of years since the rock formed C. a rock's age based on how much carbon-14 it contains D.

ALL BUT ONE factor is believed to be the source of Earth's internal heat energy. That is

Which advantages does the skeleton of birds provide for flight? a. Light hollow bones b. Volume and heavy weight for lift c. Rigid structure to anchor strong muscles for flight d. Loosely unconnected bones

What percentage of information is considered visual while driving?

How will changing the rate of respiration affect an organism's mass