Answer:
Chemical changes cause a substance to change into an entire substance with a new chemical formula. Chemical changes are also known as chemical reactions. The “ingredients” of a reaction are called reactants, and the end results are called products.
Explanation:
<span> the error occurs at random during the formation of an egg or sperm.</span><span>Down syndrome is caused by a random error in cell division
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D all the above are correct (don’t judge me if it’s wrong I did my best)put I’m positive it’s right
Motor neurons are involved in the skeletal muscle contractions in vertebrates, as the process is a synaptic one. These occur due to a conscious effort by the brain, from which these signals originate. In some reflexes, the signal originates from the spinal cord.
The pressure in the matrix high due to the abundance of water molecules present in the region.
<h3>
What is a Matrix?</h3>
These are referred to non living substances or tissues which occupy the vacant region of cells.
They have enough water molecules which exerts a great amount of pressure thereby making it high.
Read more about Matrix here brainly.com/question/13050860
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