Because the earth's is roughly spherical the sun's light is distributed over a wider area towards the poles, so it has less heating effect... the air cools and falls over the poles and returns to the equator close to the ground. This assumes that there is no other effect (e.g. wind, low or high pressure regions etc.)
Answer:
D is incorrect
Explanation:
Soil does have air in it, therefore making the statement false.
For the first 12 hours after conception, the fertilized egg remains a single cell. ... During the first 8 or 9 days after conception, the cells that will eventually form the embryo continue to divide
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Gene therapy because they can use gene technology to edit the genetic info
The three (3) main types of neurons are: 1) sensory- these relay information from receptors in the periphery into the Central Nervous System (CNS), which is comprised of the brain and spinal cord.
2) interneurons- these are actually CNS functional neurons, either in the brain or spinal cord, which make "decisions" to respond to a sensory message or not, and if so then in what manner.
3) motor- these neurons perform actions, under direct control of the CNS interneurons, often leading to effectors in the periphery (to glands for secretion, or to muscles for contraction).
The functional divisions of the nervous system are:
1) CNS- control centers composed of brain and spinal cord
2) Peripheral Nervous System (PNS)
*this is everything else in the nervous system besides the CNS, comprised of:
a) Somatic Nervous System (SNS)- [mostly] voluntary sensory and motor functions from and to, respectively, the periphery of the body (skin, skeletal muscles, tendons, and bones)
b) Autonomic Nervous System (ANS)- these are involuntary sensory and motor functions, both from and to, respectively, internal organs, e.g. blood vessels, digestive organs, heart and lungs, kidneys, glands (endocrine and exocrine), and reproductive organs.
i. Sympathetic subdivision: this is the "fight or flight" nervous system readying the body for action
ii. Parasympathetic subdivision: this is the "read, rest, and digest" nervous system maintaining normal bodily functions most of the time, since we are not regularly often in sympathetic mode.