Answer:
Hydrogen
Explanation:
Basically, stars are big exploding balls of gas, mostly hydrogen and helium.
<h2>Answer</h2>
Trees that grow in a forest tend to grow very tall, with few branches. The same species of tree grown in an open area tends to grow shorter and wider, with many branches. The stimulus responsible for these different growth patterns is the amount of —
- <u>Light</u><u> </u><u>Reaching</u><u> the</u><u> </u><u>tree</u>
<h3>#CarryOnLearning</h3>
They have two pairs of main nerve cords organized around a number of paired ganglia. while they don't have a "true brain"-- they have somewhat of a nervous system, composed of the two, or three pairs of nerve cords contained in the visceral mass.
Answer:
<u>A</u>
Explanation:
Abrupt changes in water temperatures associated with power plant water usage, can cause thermal shock in aquatic organisms.