Which radioactive isotope is most often used when determining the age of fossil bones found in sediments deposited during the holocene epoch?

Decomposers are organisms that

It is important to distinguish between Gram-positive and Gram-negative bacteria in diagnosing a bacterial infection because A. Gram-negative and Gram-positive bacteria differ in their response to different antibiotics. B.

Division of the cell cytoplasm once mitosis is complete. A. interphase B. prophase C. metaphase D anaphase E. telophase F. cytokinesis

A plant is grown in a pot, and is placed next to a window. Sunlight comes in through the window every day. After a week, which way will the plant be growing?

Which area is surrounded by the Ring of Fire? A. the Atlantic Ocean B. the United Ocean C. the Mediterranean Sea D. the Pacific Ocean

Which did a large earthquake in Alaska initally cause? which did a large earthquake in Alaska initally cause? A. a volcanic eruption B. flooding C. a landslide D. a tornado

What type of asteroid/meteorite do they believe brought some water to the Earth? a. Stoney Iron b. Iron c. Steel d. Carbonaceous Chondrite

If a cell has 12 chromosomes, how many chromosomes will each of its daughter cells have after mitosis and cytokinesis? and can u explain because i dont understand

A lab technician runs the results of a simple PCR reaction through a gel electrophoresis to test a sample of imported hamburger meat for the presence of a DNA sequence that is known to be found in kangaroos and not in cows.

If Earth was not titted on its axis, what changes would you expect to see in the seasons?