Who first introduced the idea that the Sun is the center of the universe?

What converts energy and have fluids inside of it

Multiple Choice Aclosed circulatory system is one in which O A. blood spreads freely throughout all of the body's tissues and organs. 0 B.

Describe two ways in which genetic recombination occurs during meiosis.

Does the Sun forms part of any constellation, explain?

What factor made evolution more very slowly for the first two billion years of life on earth?

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?