Answer:
Answer is A.
"Lava", "Magma" and "Volcano".
Explanation:
As we should know before now that Volcano occurs when tectonic plates slide against each other.
This rupture on the earth allows hot "lava", and gases to escape from a "magma" vent. All these sum to be a "volcano".
Answer:
1. Fats contain mostly C-H bonds, it has less oxygen therefore making it a high energy compound
2. mRNA plays a vital role in protein synthesis. It's a single stranded RNA molecule that contains genetic information that can be taken outside the nucleus (unlike DNA which cannot leave the nucleus). Its created during transcrption, and is used during translation to create proteins
3. (Look at image)
Hello!! The answer would be A - The SA node. It is known as the "pacemaker" because it initiates the heart's rhythmic contractions. I hope I helped!! Have a great day. :)