Which of the following always exist between two objects having mass

● elastic force

● contact force

●gravitational force

●magnetic force

4) This is the exchange of oxygen and carbon dioxide between an organism and its environment.

How many sweeps are recommended when you encounter an ACT reading passage? Question 3 options: 0 1 2 3

The technology adapted to the printing press originated in the

What three traits do they most commonly breed popcorn plants to have?

When you think of an earthquake, you probably think about how they can be very destructive. They are, after all, natural disasters. However, earthquakes can have constructive consequences.

Philosophy and Ethics- Why should you agree and disagree about Christians should be baptized as infants?

When toddlers spend time wandering, carrying things, and putting them down seemingly at random, A. they're developing their gross motor skill. B. it's a sign that they're probably bored. C. it means they haven't developed sufficient hand strength. D.

How did Mendel make sure that the plant with round seeds did not self-pollionated

What do you think of when hear the word "Muslim"?

Saul reaches out to grab a pot of boiling water and something in his body sends a sensation to his brain to warn him of the heat coming from the handle. What organ is responsible for protecting Saul from the heat?