True or false a factor can change in an experiment is called a variable

What do haploid and diploid mean and what are their representative symbols

Investigators have been called to a crime scene at a farm. A dead body has been found partially buried in a field. There are wide tire tracks leading to the site, and they find that a shovel was dropped about 10 feet away.

How are ore minerals related to the economy of a country?

A more or less circular ring of mushrooms simultaneously appear in your yard, apparently overnight. The circle is several yards in diameter. The most likely explanation for this circle of mushrooms is: a.

Explain why some scientific theories are changed over time

Which statement best describes messenger RNA? [Multiple Choice] A. It transfers polypeptides to the nucleus. B. It's chemically more complex than DNA. C. It had one Oxygen atom less than DNA. D. It's composed of a single strand of nucleotides.

An allele that masks another allele is known as

Is there penicillin in acyclovir

Noah wants to show the largest source of carbon on Earth for his school project. According to his research, in which form is most of the carbon on Earth stored?

True or false: most drugs are eliminated by the kidneys in urine although some are excreted in saliva, sweat, or exhalation. a. True b. False