Fluorine, iodine and bromine are all in the same group. Fluorine been the first element in the group has less number of electron orbitals compare with bromine and iodine. Bromine and iodine has D orbitals which can take part in their bonding activities, this allows the elements to bond in a variety of ways, but fluorine does not have the D orbital and therefore is limited in its ion formation. <span />
Answer:
The correct answer will be option-E
Explanation:
The autonomic nervous system or ANS activity in the brain is mainly controlled and regulated by the hypothalamus structure. The autonomic centres of the hypothalamus control the hormonal secretion adrenal medulla like adrenaline and norepinephrine.
The secretion of the hypothalamus controls the activity of the vasomotor center which help maintain the blood pressure.
Thus, option-hypothalamus is the correct answer.
The answer you are looking for is C.
Answer: Add a different diet and maybe add an animal. If you put a bigger water bowl than the cage will become humid. If you change things about the terrain, its a desert so watering more plants and planting trees will make the ground more fertile to other plants. If you continue to take care of the plants until they are able to grow and reproduce. After enough time, where used to be a desert there will be a forest.
