What is the volume of a 50mg object with a density of 20g/ml?

The runner is a heterotroph because she gets energy from what

A disease that causes thickening and hardening of blood

The term given to substances secreted by endo/crine (within blood/secrete) glands that means to urge on

What is the name of this process absorption of carbon from the atmosphere by living organism?

This kind of cell does not have a large central vacuole.

Why do scientist publish their work

In pea plants, the allele for purple flowers (p) is dominant to the allele for white flowers (p). in a cross between a purple-flowered plant and a white-flowered plant, all 73 of the offspring plants had purple flowers.

1. The first choice on a dichotomous key is: "1A. Are wings covered by an exoskeleton? vs. 1B. Are wings not covered by an exoskeleton?" Which organism is separated from the others by this question?

b. Explaining A friend claims that pea plant grow faster than corn plants. Could you investigate this idea through scientific inquiry? Explain.

Why is a disease like osteoarthritis not considered an infectious disease?