Answer:
There is no information that can help me solve this problem for you? What organisms?
Explanation:
The first one because just think about how light oxygen or air is
Answer:
Option (d).
Explanation:
Equilibrium may be defined as the state of the equality on both the sides of the reaction. Different types of equilibrium are physical equilibrium, chemical equilibrium and dynamic equilibrium.
Chemical equilibrium may be defined as the equilibrium in which the reactants and products concentration remains constant with time. The rate of the backward reaction is equal to the rate of forward reaction.
Thus, the correct answer is option (d).
Arthropods has the bilateral symmetry !
so answer is B !
