A train travels 95 kilometers in 3 hours and then 55 kilometers in 2 hours. What is it's average speed?

How are vacuoles like storage bins?

When does puberty occur? What causes the changes to occur during puberty?

Has the water cycle ever stopped since it began?

Which is a frameshift mutation? a. loss of one codon b. a 3-base insertion c. a 6-base deletion d. a 2-base deletion e. a 2 codon insertion?

This question is part of a science report! What are the main ways Corona Virus is spread from person to person.

According to the Hardy-Weinberg principals, which of the following can prohibit genetic equilibrium?

Rickettsia are obligate intracellular parasites that are transmitted by arthropods. In which of the following places would you most likely find the parasites living in the host organism during the course of infection? A.

How are viruses able to move between species?

The process by which a population becomes better suited to its environment is known as?

4. A tree dropping its leaves in the fall to conserve water and avoid freezing during winter is an example of?