Answer: The sun produces energy to the solar panel the sollaer panel produces energy to my house
Explanation:
I dont have time but write about making something that can help like solar panels
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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They might go extinct if they can't keep up with the competition
Proteins.
These four carbon-based molecules are necessary for building an organism.
Relationship:
Carbohydrates and Lipids-Energy storage
Nucleic Acids - Proteins -- Blueprint - Building blocks
