Frost occurs when dew freezes. what must have happened the previous night for there to be frost on the ground in the morning? select all that apply.

a. precipitation occurred.
b. the sky was covered with clouds.
c. the relative humidity reached 100 percent.
d. the temperature dropped below 0 °c.
e. there was surface runoff at some point.

What is the missing step in solving the inequality 5 - 8x < 2x + 3?

Achild’s often are influenced by the belief systems of his or her parents. a. ideologies b. bilingualism c. territoriality d. cultural diffusion

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation