(Q).
Q: What are the three classifications of elements? Choices: - metals, non-metals and alkaloids - metals, metaloids, and alkaloids - alkaloids, metaloids, and non-metals - metals, non-metals and metaloids A:
(A).
metals, non-metals and metaloids

(Q).
Q: What is the name of the process by which plants use energy from sunlight to synthesize carbohydrates? Choices: - osmosis - cellular respiration - pollination - photosynthesis A:
(A).
photosynthesis

(Q).
Q: Paint keeps oxygen and water from coming into direct contact with the metal, which prevents what? Choices: - heat - evaporation - filtration - corrosion A:
(A).
corrosion