In science class, maria observes that a white-colored flower has shades of red when it’s watered with red-colored water. she forms a hypothesis that the color reaches the flower through the stem. what should maria do to confirm the hypothesis?

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.

Which of the following do all living things have in common

Describe the trends in electron configuration in the periodic table by selecting the terms from the drop down menus