Answer:Option (3) less than the sum of its components' masses
Explanation:
Answer:
B and E
Explanation:
These two options support the theory of plate tectonics.
Answer: Scientists often communicate their research results in three general ways. One is to publish their results in peer-reviewed journals that can be ready by other scientists. Two is to present their results at national and international conferences where other scientists can listen to presentations.
Explanation: