Which of the organs do the pulmonary arteries service?

The clavicles are the bones commonly referred to as:

When does a volcanic eruption occur?

How long is an adult’s small intestine?

Which one of the following is an example of a pull?

Passing the bottle of ketchup to someone

Which one of the following statements about the sun is incorrect?

What happens to the gravitational force between two objects asthey move farther apart?

What is the most important function of the blood?

Sensory messages are taken to the brain by _________.

The oxygen -rich blood from the heart flows to the largest artery known as _______.

What layer of the earth is inferred to be liquid in form?

Which of the following best describes the energy of a ball as it bounces up and down?

Insecticides are used to control insect population so that they do not destroy crops. Overtime some insecticides become less effective at killing insects and new insecticides must be developed. What is most likely the reason why insecticides become less effective overtime?

Two potatoes of equal mass were boiled, one in Baguio and one in Manila. Where will the potato cook faster and why?

Which instrument can view the heavenly bodies clearly and without the filtering effect of Earth’s atmosphere?

In general, pages of books turn brown after several years. Why?

Which of the following is not considered a worm?