Which of these is an example of calcium carbonate?

A.

diamond

B.

graphite

C.

water

D.

shells of snail

The cells that result from the early duplication and division processes are called stem cells, which are able to produce any other specialized cell.

True or False? Convection currents produce the heat in the Earth's interior.

What four things all forms of RNA have in common?

How does upwelling affect the weather of a coastal region?

8) In rabbits, the allele for black fur, B, is dominant over the allele for brown fur, b. Calculate the probability of a homozygous dominant (BB) offspring resulting from a cross between two parents with the genotype Bb.

What is the mass of an atom that has 4 protons, 5 neutrons and 4 electrons? 5 8 9 13

Which of the following is one role of RNA polymerase during transcription? to switch uracil with thymine on the exposed gene to build a molecule of mRNA to break down an already existing protein to produce a start sequence

What is diluvial water

What disease can occur when the pancreas is not working properly?

Which of these objects are malleable? Check all that apply. (A) tin fork and knife from a camping set (B) antique ceramic vase (C) steel pole fence post (D) marble sculpture (E) glass tabletop (F) copper coin