Biology, 02.08.2019 05:30 Joejoe1813
Josie observed that when water is boiled in an open beaker it completely disappears, leaving the beaker dry. what can josie conclude? a) mass is created in this experiment. b) mass is destroyed in this experiment. c) the mass of water is equal to the mass of water vapor produced. d) for the mass of water to be conserved during boiling, the beaker must be closed.
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 07:30
The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction
Answers: 1
Biology, 22.06.2019 09:20
Which type of stimulus do mechanoreceptors detect? sound pain heat light
Answers: 2
Josie observed that when water is boiled in an open beaker it completely disappears, leaving the bea...
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