Biology, 04.02.2020 13:57 jakobrobinette
Ahalf-life of a radioactive substance is the amount of time needed for one half of to decay into a stable isotope.
the neutrons in the nuclei
its beta particles
the nuclei in a sample
Answers: 2
Biology, 21.06.2019 20:00
Illustrate, label, and explain how atmospheric carbon and oxygen find there way into a consumer and then back into a producer. include the following terms in your illustration: co2, 02, respiration, photosynthesis, sugar, mitochondria, chloroplast, water, solar radiation
Answers: 2
Biology, 22.06.2019 11:00
When ash and dust begin to settle on the ground, they eventually become compacted by
Answers: 1
Biology, 22.06.2019 12:30
The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water
Answers: 3
Biology, 22.06.2019 12:30
50 points! which of the following is an inference? a burning candle is extinguished when it is covered with a jar. the candle burns longer than expected in a jar that has a plant in it. a plant lives longer than expected in a jar that has a burning candle. there is more oxygen in the jar because there is a plant in it.
Answers: 2
Ahalf-life of a radioactive substance is the amount of time needed for one half of to decay into a...
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