Answer: B)
The chemical composition of the cell walls of each in the two kingdoms varies.
Explanation: Usatestprep
Answer:
Nitrogen cycle
Explanation:
Nitrogen fixation is the process by which atmospheric nitrogen is converted by either a natural or an industrial means to a form of nitrogen such as ammonia. In nature, most nitrogen is harvested from the atmosphere by microorganisms to form ammonia, nitrites, and nitrates that can be used by plants.
Ovaries produce and release two groups of sex hormones—progesterone and estrogen. There are actually three major estrogens, known as estradiol, estrone, and estriol. These substances work together to promote the healthy development of female sex characteristics during puberty and to ensure fertility.
i would say that the answer is ( A )
Answer:
a. True
Explanation:
Biological psychologists study the human behavior, focusing on the psychological causes. Identifying unconscious drives is important in order to understand the reason for this type of unaware reactions on humans. Using different techniques, they can manage to comprehend the origin of this behavior and find a solution to control, and settle this issue.
Answer:
The Liver
Explanation:
The largest organ in the abdominal cavity is by far the liver, just below the diaphragm (the flap of muscle separating the abdominal from the thoracic cavity). Notice the umbilical vein connecting the umbilical cord with the liver
