Biology, 30.06.2019 01:30 ddaaaeeee3503
Asample has passed through 6 half-lives, what is the ratio of parent isotopes to daughter isotopes? a. 1 parent isotope for every 6 daughter isotopes b. 6 parent isotopes for every 1 daughter isotopes c. 1 parent isotope for every 64 daughter isotopes d. 1 parent isotope for every 63 daughter isotopes
Answers: 1
Biology, 21.06.2019 17:30
In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases
Answers: 1
Biology, 21.06.2019 21:30
What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.
Answers: 1
Biology, 22.06.2019 06:30
What is the problem in this article? what solution does the article propose?
Answers: 3
Asample has passed through 6 half-lives, what is the ratio of parent isotopes to daughter isotopes?...
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