Oxygen has an atomic number of 8. Therefore, it must have

a. 8 protons

b. 8 electrons

c. 16 neutrons

d. Only A and B are correct.

e. A, B, and C are correct.

Describe 3 possible ways in which a hypothesis may arise

Humans and gibbons have two different amino acids in their hemoglobin sequence. what does this say about the evolution of these two species?

Which of these is an environmental cost of fossil fuel consumption? A. renewable source B. cheap energy C. low pollution D. increased greenhouse gasses

What are he benefits of human geneome project

Select the difference between prokaryotes and eukaryotes. a. dna located in the cytoplasm in eukaryotic cells but not in prokaryotes b. dna structure in prokaryotes is not the same as in eukaryotic cells c.

Which of these is considered to be the "king" of the social sciences Geography Economics Sociology Political science

How much time have organisms had to change?

Which winds are usually warmer and more humid? Winds blowing from the north Winds blowing from the south Winds moving from the land Winds moving toward the ocean

Phylogeny refers to a. the evolutionary history of a group of related organisms. b. a group of organisms that includes an ancestor and all of its descendants. c. Darwin's method to classify organisms. d. all of the above

Vertebrae protect the cerebellum. true or false