Which of the following are examples of

geographic barriers? Choose two.

Body of water

small stream

Mountain

dirt road

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What process of change describes a woman who quits smoking after seeing an aunt die of lung cancer?

What is the most important cause of ocean surface movements? (A) Wind (B) Salinity (C) Desnity (D) Temperature

You discover a new species of bacteria that grows in aquatic environments with high salt levels. While studying these bacteria, you note that their internal environment is similar to the salt concentrations in their surroundings.

Which of the following processes causes the release of nitrogen back in to the atmosphere

Your client, carrie, is attempting weight loss and you are explaining the six classes of essential nutrients. which substance is not a nutrient?

Which of these are found in the lymph? A. red blood cells B. white blood cells C. antibiotics D. platelets

The visual predation hypothesis proposes that:a) better vision allowed for better access to fruits and small insects b) primate traits arose as adaptations to preying on insects and small animals c) species could see predators from farther away,

A researcher wants to know whether children eating a high-protein breakfast will have a higher test grade. half of the children in the study eat a high-protein breakfast while the other half eats their normal diet.

What is the mass of an atom that has 4 protons, 5 neutrons and 4 electrons? 5 8 9 13

Which of the following is one role of RNA polymerase during transcription? to switch uracil with thymine on the exposed gene to build a molecule of mRNA to break down an already existing protein to produce a start sequence