B. At-200
In beta decay the atomic number increases by 1
The best substance to heat up the fastest would be blue fire
The six basic elements of weather include temperature, humidity, atmospheric pressure, wind, precipitation, and cloudiness.
~I knew this was asked 5 days ago, but I hope this still helps.
Answer:
C
Explanation:
This is a correct answer i think soo
Quick answer: Exothermic reactions mean that heat has escaped the system. The answer is A. Heat is released.
