Answer : The correct option is A.
Explanation :
The given chemical reaction is,

In the reaction, Reactants are present on the left side of the arrow and products are present on the right side of the arrow.
Reactants are those which takes part in and undergoes change during the reaction.
Products are those which are formed during the reaction.
In the given reaction, zinc react with hydrochloric acid to form zinc chloride and hydrogen gas.
Therefore, the reactants are zinc and hydrochloric acid.
Answer:
There are four lava flows which are known as, Pahoehoe lava flow, Aa lava flow, Blocky lava flow, and also Pillow lava flow. For basaltic lava flows 10-15 minutes to be thick enough to walk on, when others can take up to 7 months.
Explanation:
60+68=128
128/2=64
so the answer is 64
I hope this helped
Answer:By their movement, by their wastes, and by their metabolic.
Explanation:The nutrient cycle is a system where energy and matter are transferred between living organisms and non-living parts of the environment. This occurs as animals and plants consume nutrients found in soil, and these nutrients are then released back into the environment via death and decomposition.