What does the force of attraction in an ionic bond hold together?

A oppositely charged ions

B negative electrons

C neutrons and protons

D polar molecules

Every substance on earth is made of one or more

Is it true that just finding just a single fossilized shoulder girdle can tell you things about that animal - like the approximately overall length of the animal and how it held the limb in position on the body?

What vessels carries oxygenated blood?

Name the main gases that diffuse into and out of the blood in the lungs. Into the blood Out of the blood

What change needs to be done to correct the diagram showing food moving through the digestive system? The esophagus and small intestine need to be switched. The small intestine and the stomach need to be switched.

Why is the human heart NOT considered to be a living organism A. it cannot complete photosynthesis. B. it cannot reproduce itself. C. it is not made of cells. D. it does not reguire oxygen.

How would an increase in nest sites affect a population of pigeons? AThe population would decrease. BThe population would increase. CThe population would remain almost the same. DThe population would be reduced the next year.

Several types of white blood cells are which engulf bacteria and cellular debris

Muscles are tissues made of: elastic fibers Layered fibers non of the above smooth fibers

What are four ways that humans harm sea grass? explain in detail.