Plz help me thanks :^(((

C

Step-by-step explanation:

The energy is moving from a consumer, the shrimp, to another consumer, the silverside. Neither of them produces their own energy, they both eat/consume other things to gain energy.

the 2 figures are congruent bc if you reflect abcd over the y axis then over the d axis the figures overlap

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads