Answer:
Arrow a represents photosynthesis. 2 it transforms sunlight, water, and carbon dioxide into gluton, or food for the plants. 3 It recycles carbon because humans breath in oxygen and exhale carbon dioxide, plants then take in the carbon and exhale oxygen.
Explanation:
<u>Answer:</u> The correct answer is Potassium-39, Potassium-40, Potassium-41
<u>Explanation:</u>
Atomic number is defined as the number of protons present in an atom.
Mass number is defined as the sum of number of protons and number of neutrons present in an atom. It is represented as A.
A = Mass number = Number of neutrons + Number of protons.
For the given isotopes of potassium:
Atomic number of potassium is 19.
<u>For potassium-41 isotope:</u>
Mass number = 41
Number of neutrons = 41 - 19 = 22
<u>For potassium-39 isotope:</u>
Mass number = 39
Number of neutrons = 39 - 19 = 20
<u>For potassium-40 isotope:</u>
Mass number = 40
Number of neutrons = 40 - 19 = 21
The most number of neutrons are in potassium-41 isotope and the least number of neutrons are in potassium-39
Hence, the correct answer is Potassium-39, Potassium-40, Potassium-41
Temperature affects the motion and the liquid. As the temperature of the solid, liquid or gas increases, the particles move more rapidly. As the temperature falls, Cabato slow down. If a liquid is called significantly, it forms a solid
I only knew a few of these:
1. Curium
2. Copper
8. Iron
11. Barium
13. Zinc
14. Europium
29. Au (gold)
Answer:
True
Explanation:
This is the true statement .
Because There are two types of metal coagulants used : aluminium and iron.
The aluminum coagulants include aluminum sulfate, aluminum chloride and sodium aluminate.
The iron coagulants include ferric sulfate, ferrous sulfate, ferric chloride and ferric chloride sulfate.