Which of these is not an environmental effect of burning fossil fuels?

(a.) smog

(b.) poisoning wildlife

(c.) increased temperature

(d.) use of large amounts of water

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.

Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.