Answer:
B. Water
Explanation:
A compound is a thing that is composed of two or more elements. Water (H2O) is composed of two hydrogen atoms and one oxygen atom.
All a human's body parts are fully developed by the end of the second trimester of pregnancy.
Answer: Option A
<u>Explanation:</u>
The second trimester lasts from 13th Week to 28th Week. At the end of 28th week the child's organs become completely created during the second trimester. The child can likewise begin to hear and swallow. Little hairs become perceptible.
Later on in the subsequent trimester, the child will start to move around. It will create dozing and waking cycles that a pregnant lady will start to take note.
It means to protect a dead body with chemicals, drugs, etc.
Answer:
Add a catalyst
Explanation:
A chemical reaction can be sped up by many factors. ... Add a catalyst (A substance that reduces activation energy, speeding up the reaction) Increase the concentration of reactants. Increase the concentration of catalysts
