The adrenal medulla contains: Select one:
a. Sympathetic nerve cells.
b. glomeruli.
c. Steroid secreting cells
d. Chief cells

a.Sympathetic nerve cells . hope it helps you

Explanation:

the circumference of the solar disc is 4375246 km, nearly.

explanation:

answer;

a. sheep consumption efficiency would be reduced.

explanation;

-trophic efficiency is a measure of how much energy occurs at one level divided by the energy at the level immediately below it . trophic efficiency incorporates three types of efficiency:

-the proportion of available energy that is consumed (consumption efficiency).   it is the proportion of the available biomass that is ingested by consumers.

-the proportion of ingested food that is assimilated (assimilation efficiency).

-the proportion of assimilated food that goes into new consumer biomass (production efficiency).

-in this case, the grasshoppers would affect sheep by reducing the proportion of the available biomass that is ingested by the sheep.