Biology, 02.02.2021 01:20 bluenblonderw
A scientist kept 100 grams of a radioactive material in a container. After 280 days, he observed that 25 grams of the radioactive material was left in the container. Based on the observation, which of these is the most likely inference drawn by the scientist?
Question 5 options:
The radioactive material will decay totally in 560 days.
About 50 grams of the material was left in the container after 70 days.
The radioactive material will decay totally in 840 days.
About 50 grams of the material was left in the container after 140 days.
pls hurry
Answers: 3
Another question on Biology
Biology, 22.06.2019 00:10
Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.
Answers: 1
Biology, 22.06.2019 02:00
Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z
Answers: 3
Biology, 22.06.2019 05:30
What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?
Answers: 2
Biology, 22.06.2019 13:30
Which of th following best describes how genes produce traits in an organism?
Answers: 2
You know the right answer?
A scientist kept 100 grams of a radioactive material in a container. After 280 days, he observed tha...
Questions
Mathematics, 22.12.2020 01:00
Mathematics, 22.12.2020 01:00
Mathematics, 22.12.2020 01:00
Mathematics, 22.12.2020 01:00
Computers and Technology, 22.12.2020 01:00
English, 22.12.2020 01:00
Mathematics, 22.12.2020 01:00
History, 22.12.2020 01:00
Health, 22.12.2020 01:00
History, 22.12.2020 01:00
