The atomic mass of the most common isotope of carbon is the element with an atomic number of 4 is exist in orbitals around the nucleus. oxygen has protons in the nucleus. an isotope of an element has the same number of protons but a different number of

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.

Anita thinks that she has heterozygous alleles for red hair.if she is correct, which of these diagrams best illustrates anitas alleles pf red hair

Climate like that in the sahara desert have the fastest rates of weathering