21: potassium has 20 neutrons
22: is d
Answer: i might be wrong but i feel like it’s A. wind blowing at 3km/h just because “ energy of an object is the energy that it possesses due to its motion.”
Explanation:
I believe the answer you are looking for is : SHORT
From a chemistry book that I have read, it stated that
Barium Sulfate is so insoluble in water. Due to this, it is not toxic to humans
since it is not dissolved and absorbed by our body. In the other hand, Barium
Carbonate is slightly soluble in water making it toxic to us.
Answer:
Barium carbonate is soluble in plain water
The energy conversion happening here is known as photosynthesis. Photosynthesis is a process where the leaves of a plant absorb water and carbon dioxide, then, using light energy from the sun, convert that into oxygen and sugar.