I think that the answer is tobacco
B. HSV
Did you know? Genital herpes is actually one of the most common STD's in the u.s.a and It is caused by the herpes simplex virus, which is HSV
Answer: The pineal gland produces melatonin
Start with your producers, or plants (grasses, flowers, etc.). Then your 1st level consumers (herbivores), like grasshoppers, mice, etc. Then your second level producers (carnivores and omnivores) that eat the herbivores (like birds). And keep going, knowing each of the levels get eaten by each other. 10% of energy is transferred in each level. An example might be...
Grass > Mice > Hawk > Vulture
Answer:
I observed that some juice was spilled on the floor.
A solution to the safety issue is to clean it with cleaning materials such as paper towels and a mop. Also, put a caution sign on the ground where the spill is until it gets cleaned.