Why does a frog have 2 lives

Nitrogen fixing bacteria in soil turns nitrogen gas into

Shaina uses a shovel to dig a hole to plant a tree. A shovel is an example of a compound machine because it is made up of what two simple machines?

Freddie works at an amusement park making balloon animals and has always wondered why balloons can be twisted into shapes. Which of the following is the best explanation? A The volume of a gas is constant B. Particles of gas can be compressed C.

0.0000158mi (number of miles in an inch)

What are some nonliving things in earth's enviroment.?

What effect does distance have on the force of gravity?

In Hooke's law, if a large force produces a small displacement, what does that say about the spring?

What best describes the bonding in a water molecule? An oxygen atom shares an electron pair with each H atom. An oxygen atom shares a single electron with each H atom. An oxygen atom receives an electron from each H atom.

What does the mass number tell us?

How is shielding effect related to atomic radius?