At room temperature, nitrogen is a gas and mercury is a liquid. Which claim describes how the particles of nitrogen gas compare to the particles of liquid mercury?
A. The particles that make up nitrogen gas are expanding.
B. The particles that make up nitrogen gas are moving more rapidly.
C. The particles that make up nitrogen gas have greater attractive forces between them.
D. The particles that make up nitrogen gas are closer together.

In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.

Anton created a chart listing different types of materials. which best complete the chart?

Across of blue x blue (both heterozygous) would result in