Chemistry, 29.03.2021 20:50 mduncan840
1. The purpose of studying the various
velocities and the distances of galaxies in
these studies was:
A. To prove that galaxies were moving
B. To determine the Hubble constant
(H.) which helps determine the age
of the universe
C. To determine the size of a galaxy
which helps determine the Hubble
constant (H.)
D. To determine the age of the universe
which helps determine the Hubble
constant (H)
Answers: 1
Chemistry, 21.06.2019 17:00
Look at the reaction below: ca(hco3)2 --> caco3 + co2 + h2o first, balance the reaction. once balanced, use dimensional analysis or another method to find out how many moles of carbon dioxide will be produced if we start with 16.5 moles of calcium bicarbonate (calcium hydrogen carbonate). = mol of co2 number needs to be reported to three significant figures.
Answers: 1
Chemistry, 23.06.2019 12:00
Jill is pushing a box across the floor. which represents the upward force perpendicular to the floor? a) fp b) ff c) fn d) fg
Answers: 1
Chemistry, 23.06.2019 12:30
Growing crops in places where major pests don't live using beneficial insects to eat harmful insects using a rat trap instead of a rodenticide developing drought-resistant tomato plants using beneficial insects or natural oils to repel pests planting a different crop every year to fake out the pests keeping food covered to deter ants and rodents developing bean plants with a resistance to fungus picking caterpillars off tomato plants cultivation practice biological control cultural control genetic resistance natural chemicals
Answers: 3
1. The purpose of studying the various
velocities and the distances of galaxies in
these stud...
these stud...
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