Derrick frequently takes an over-the-counter stimulant weight loss drug just before heading to the gym for a workout, during which he typically consumes a 16-ounce energy drink. the interaction of the drugs in these products is most likely to be

a) antagonistic.
b) an intolerance.
c) synergistic.
d) a cross-tolerance

Synergistic.

Explanation:

The stimulant might taken to improve the functioning or increasing the effect of any condition. Different drugs are present in market that might work as an stimulant.

The drugs that works as an stimulant increases the effect in presence of some chemicals compounds. The compound that increases this effect is known as synergistic and the effect is known as the synergistic effect. This effect may also mimics naturally as the drug.

Thus, the correct answer is option (C).

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.