An atom has 17 protons,16 neutrons and 17 electrons. What is it’s atomic number
A:16
B:17
C;33
D:34

Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation

Select the correct answer from each drop-down menu. the lac operon in e.coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .

The basic kind of life cycle found in the simplest animals is: haplontic or diplontic