In response to a stimulus such as touch, a human neuron sends a signal to the brain using

The air component in soil provides plants with the blank needed for photosynthesis

The agent of erosion that makes a rock fall from high places is water wind ice gravity A) water B) wind C) ice D) gravity

Explain the observations made by Charles Darwin when he visited the finches and tortoise at the Galápagos Islands

Which process would bacteria living near a heat vent on the ocean floor use to build carbon based molecules such as sugars?

What is formed by all th ecosystems of earth?

Which disease is caused by a pouching of the small intestine and peritoneum into the groin area? a. achalasia. b. hemorrhoids c. inguinal hernia d. colon polyps?

At the beginning of cell division the chromosome consists of what two sections

The fact that both green and yellow peas were produced by tall pea plants in predictable frequencies led mendel to propose the

What is a simple statement that predicts the result of a controlled scientific experiment? Question 1 options: Observation Hypothesis Conclusion Theory SaveWhat is a simple statement that predicts the result of a controlled scientific experiment?

One region of the world has both the highest birth rate and the highest infant mortality rate. which is it?