Answer:
Convection
Explanation:
Definition
convection- the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.
Explanation:
plays a substantial role in endowing certain plants with extra structural support.
Human chorionic gonadotropin is secreted from the placenta. The correct option is D.
<h3>What is HCG?</h3>
HCG is known as Human Chorionic Gonadotropin.
It is a hormone secreted by the placenta during pregnancy.
The hormone specifically functions to thicken the wall of the uterus in order to be able to support the growing embryo.
It also signals to the body system to halt the process of menstruation.
More on HCG can be found here: brainly.com/question/23308035
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Answer:
cryosphere and atmosphere seems like it.
Explanation:
