subject
Biology, 05.10.2019 17:30 Zaida21

Which of the following is a use of radioactive isotopes?
a.
can determine the ages of rocks and fossils
b.
can be used to treat cancer and kill bacteria that cause food to spoil
c.
used as “tracers” to follow the movements of substances within organisms
d.
all of the above

ansver
Answers: 3

Another question on Biology

question
Biology, 22.06.2019 10:30
How do the evolutionary chart and the video support the claim that all living things are made up of cells?
Answers: 3
question
Biology, 22.06.2019 22:00
If we assume that, in the african savanna, rainfall and the amount of grass is plentiful, what other factor would best explain a reduced antelope population?
Answers: 1
question
Biology, 23.06.2019 01:30
The gulf stream and north atlantic current modify the climate of northwestern europe by making the climatea) warmer and drierb) warmer and more humidc) cooler and drierd) cooler and more humid
Answers: 2
question
Biology, 23.06.2019 02:00
Which structure secretary’s hormones directly into the bloodstream without using a duct a) lacrimal gland b) adrenal gland c) oil gland d) salivary gland
Answers: 2
You know the right answer?
Which of the following is a use of radioactive isotopes?
a.
can determine the ages of r...
Questions
question
Biology, 04.08.2019 06:00
question
History, 04.08.2019 06:00
Questions on the website: 13722361