Answers: 1
Biology, 22.06.2019 03:00
Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.
Answers: 2
Biology, 22.06.2019 03:00
Which of the following are the ingredients that go into the plant and are needed for photosynthesis? select all that apply. 1.) soil 2.) seeds 3.) carbon dioxide 4.) minerals 5.) glucose (sugar) 6.) water 7.) light energy (sunlight) 8.) oxygen 9.) air
Answers: 2
Biology, 22.06.2019 13:10
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.
Answers: 2
Biology, 22.06.2019 20:30
Spirochetes have a twisting and flexing locomotion due to appendages called
Answers: 3
To the function of an organsm...
Mathematics, 23.06.2019 11:30
History, 23.06.2019 11:30
Mathematics, 23.06.2019 11:30
Mathematics, 23.06.2019 11:30
Mathematics, 23.06.2019 11:30
Mathematics, 23.06.2019 11:30
History, 23.06.2019 11:30
Mathematics, 23.06.2019 11:30
Mathematics, 23.06.2019 11:30
Mathematics, 23.06.2019 11:30