The A horizon is the best for plant growth, because is has more organic material and more organisms that make the soil more fertile than the deeper layers, and the soil is not loose like the O horizon.
the A horizon
Answer:
Tyrone
Explanation:
Although Dwayne fathered the most cubs, many of these cubs died before reaching adulthood, suggesting they were not genetically fit. Tyrone and George fathered the same number of cubs, but more of Tyrone's cubs survived to adulthood, meaning they are capable of finding a mate and passing their genetic information on to future generations.
Fitness is not related to size.
Answer:
The answers are letters A, D, F, G.
Explanation:
The true statements about PNS are:
a. Stimulating the organs of digestion is a parasympathetic response.
d. Parasympathetic nerves are associated with the cranial and sacral regions of the spinal cord, whereas sympathetic nerves are associated with the thoracic and lumbar regions.
f. Neurons in the parasympathetic division release neurotransmitters that act on receptors that slow heart rate.
g. The sympathetic division of the PNS prepares the body for physical exertion in stressful situations.
Answer:
Oxygen and carbon dioxide flow through the blood in the placenta. Most of it goes to the heart and flows through the baby's body. At birth, the baby's lungs are filled with fluid. ... Increased oxygen in the lungs causes a decrease in blood flow resistance to the lungs.
