Chemistry, 11.02.2020 05:59 yarrito20011307
Identify the true statement. Choose one: A. Isotopic dating can be used only in a closed system, where neither parent material nor daughter material has escaped. B. The "radiometric clock" starts when a radioactive mineral warms above its closure temperature. C. Carbon-14 dating is used to date anything that was once alive, regardless of age. D. Scientists can date any radioactive material back only three half-lives; after this, there's not enough parent material left to measure.
Answers: 2
Chemistry, 22.06.2019 09:30
What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.
Answers: 2
Chemistry, 22.06.2019 15:30
Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.
Answers: 2
Chemistry, 22.06.2019 16:50
Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m
Answers: 3
Chemistry, 22.06.2019 19:20
Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?
Answers: 3
Identify the true statement. Choose one: A. Isotopic dating can be used only in a closed system, whe...
History, 28.04.2021 01:00
History, 28.04.2021 01:00
Mathematics, 28.04.2021 01:00
History, 28.04.2021 01:00
History, 28.04.2021 01:00
English, 28.04.2021 01:00
Mathematics, 28.04.2021 01:00
History, 28.04.2021 01:00
Chemistry, 28.04.2021 01:00
Chemistry, 28.04.2021 01:00