Plz hel 1. What causes a delta to form at the mouth of the river?
A. Wind
B. Water
C. Ice
2. A cliff forms by the ocean. (Erosion)
A. Wind
B. Water
C. Ice

Water

Water

Explanation:

1 Water 2 wind

Explanation:

is the answer

answer: enthalpy

explanation:

for a exothermic reaction, the energy is released i.e. the energy of the products is lower than the energy of the reactants.

= enthaply

= energy of products

= energy of reactants

as , thus comes out to be negative. negative value of enthalpy shows that the reaction is exothermic.