Explanation:
factors in population growth include:
(1)Healthcare
(2)Availability of birth control/availability of family planning education/use of birth control
(3)Political or economic stability
(4) Food availability
Answer:
One relative of whales was Pakicetus, which lived 50 million years ago. (the group of marine animals that includes dolphins and whales).
Explanation:
Ans.
The electron transport chain is defined a series made up of electron transporters that transfer electrons to their acceptors from donors. The transfer of electrons is coupled with proton transfer across the membranes of mitochondria, as protons are pumped out from mitochondrial matrix to outside or mitochondrial inter-membrane space.
Thus, the correct answer is 'option b). protons are pumped out of the mitochondria by the complexes of the electron transport chain.'
d) a vascular plant that uses pollen to produce seeds that are not enclosed in protective fruits
hope this helps!