Biology, 05.07.2019 17:10 lol15arec001
The roots of plants take up nitrates from the soil. what are the nitrates used to make?
Answers: 2
Biology, 22.06.2019 11:30
Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?
Answers: 1
Biology, 22.06.2019 11:40
What are some possible consequences of preventing prescribed burns and natural wildfires
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Biology, 22.06.2019 14:30
How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.
Answers: 2
Biology, 22.06.2019 15:30
When does a spring tide occur? question 9 options: they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur twice a year in the spring and fall. they occur on the date of the vernal equinox each year, no matter what stage the moon is in. this is why they are called spring tides. they occur when the sun, moon, and earth are at 45-degree angles from each other. this happens once every spring. they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur all year long.
Answers: 2
The roots of plants take up nitrates from the soil. what are the nitrates used to make?...
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