The ultimate source of energy for physical life on earth is the sun.
a. true
b. false...
Biology, 26.11.2019 14:31 mgavyn1052
The ultimate source of energy for physical life on earth is the sun.
a. true
b. false
Answers: 1
Biology, 21.06.2019 23:30
Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism
Answers: 2
Biology, 22.06.2019 07:00
According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?
Answers: 2
Biology, 22.06.2019 13:00
Facilitated diffusion move large molecules and/or polar molecules across the cell membrane. what does facilitated diffusion use to do this?
Answers: 3
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
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