What life-threatening infection can result from allowing a urinary tract infection to go untreated in an older adult?

Gregor mendel was the first scientist to use statistics to analyze scientific data before mandel's experiments, scientists believed that organisms acquired traits from their environment and pass them on to their offspring after mendel's discoveries were accepted scientists realized that traits passed to offspring were the result of genes being passed from parent to his parents this is an example of

Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?