(Q).
Q: Acidity is measured on what kind of scale? Read this paragraph and choose the correct option from the provided answers: Acidity is measured on a pH scale. Rain that is 5.0 or less on that scale is considered acid rain. Choices: - electromagnetic scale - caloric scale - pneumatic scale - ph scale A:
(A).
ph scale

(Q).
Q: What is a prerequisite for fertilization to take place in plants? Read this paragraph and choose the correct option from the provided answers: Pollination must occur for fertilization to take place. Zygotes develop into embryos inside seeds, from which the next sporophyte generation grows. Choices: - mitosis - photosynthesis - germination - pollination A:
(A).
pollination

(Q).
Q: What are color and hardness physical properties of? Read this paragraph and choose the correct option from the provided answers: A: You can see that snow and sand have a different color. You can also feel that snow is softer than sand. Both color and hardness are physical properties of matter. Choices: - cells - ions - elements - matter A:
(A).
matter