HELP ME ILL GIVE YOU 40 POINTS JUST HELP M
What causes blood pressure?
A. the strength of th...
Chemistry, 11.06.2020 16:02 vivian2020
HELP ME ILL GIVE YOU 40 POINTS JUST HELP M
What causes blood pressure?
A. the strength of the muscles in the walls of the capillaries
B. the speed at which oxygen is returned to blood in the lungs
C. the force with which the ventricles contract
D. the rate at which blood flows through the heart
Answers: 3
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The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?
Answers: 1
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Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh
Answers: 2
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Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change
Answers: 3
Chemistry, 22.06.2019 05:20
Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.
Answers: 1
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