I think it might be A. i am not totally sure though
Volcanic eruptions are caused by earth's internal heat sources.
All the other choices are atmospheric or external earth.
Lymph nodes.
The lymphatic system plays as the body’s first line of defense against disease
I believe <span>Na2SO3 is the solution to the problem.</span>
Answer:
Total of all numbers added with the correct rounding and number of significant figures
Explanation:
1. Add up all the numbers
8.32+8.00+8.30+8.3
2. Determine how many significant figures should be in your final answer. When it comes to addition, it will be the fewest number of decimal places. since 8.3 has one decimal place, your final answer should only have one decimal place.
3. Round your final answer to the nearest tenths