A mineral leaves a gray trail when scraped against an unglazed porcelain plate.

Which property of a mineral is being measured?

A.

luster

B.

streak

C.

color

D.

hardness

Precipitation occurs when the tiny liquid or ice droplets that form clouds get too heavy to float. True or False?

During metabolism, the complete breakdown of one molecule of glucose results in a maximum yield of 38 molecules of ADP ATP. Eliminate GTP. NADH

Which product of respiration is considered waste material and leaves the alveoli

What term describes a species that is brought into an ecosystem where it does not naturally occur?

What are the environmental pressures for a frog?

Is the meaning of life the same for animals and humans?

Which of the following best describes a process of erosion? A. Rocks along the coast are broken up by waves crashing into the shore. B. The wind lays down sediment to form small hills called dunes. C.

What is sustainability? the number of organisms in an area being able to continue for a long time the variety of organisms in an area being able to grow larger over time

The allele for cystic fibrosis is recessive. What does this mean?

Which of the following statements is true? The Milky Way Galaxy is the only galaxy in the universe. The earth is always the same distance away from the sun. Bode's law correctly predicted the location of Neptune.