Answer:B. CO2
Explanation: It is B because it has both letters capitalized if it is a compound and it only has 1 letter capitalized if it is an element.
(A) nervous, muscular, skeletal
Answer:
Interacting with animals has been shown to decrease levels of cortisol (a stress-related hormone) and lower blood pressure. Other studies have found that animals can reduce loneliness, increase feelings of social support, and boost your mood.
Explanation:
Answer:
1.Products
2.Reactants
3.Activation
4.Chemical potential energy
5.Energy
6.Activated
7.Complex
8.Progress of reaction
9.Enthalpy of Reaction