Where do clouds form? select three options.
a. at the ground
b. in the upper atmo...
Biology, 18.12.2019 19:31 ramirezmarco1593
Where do clouds form? select three options.
a. at the ground
b. in the upper atmosphere
c. near the earth’s surface
d. where the air has very low humidity
e. where the atmosphere contains few particles
Answers: 1
Biology, 22.06.2019 04:00
What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.
Answers: 3
Biology, 22.06.2019 15:00
Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.
Answers: 1
Biology, 22.06.2019 15:30
Adistinctive characteristic of mammals that is not observed in other vertebrates is
Answers: 1
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