What is the half-life of an element?
a. The distance from the atomic nucleus to where 50 percent of its electrons can be found
b. Half of the length of time required for an element to completely decay into another element
c. The period of time required for 50 percent of an element to decay into another element
d. The quantity of an element sufficient to kill half of the organisms to which it is exposed
c. The period of time required for 50 percent of an element to decay into another element
You might also like to view...
Which of the following is the most responsible for success of humans as a population?
A. the ability to speak B. being bipedal C. the ability to transmit culture D. driving biological evolution through cultural evolution E. None of the answer options is correct.
In humans, how many layers of cells are formed during gastrulation?
a. One b. Two c. Three d. None
Which statement below refers to climate rather than weather?
a. The baseball game was rained out today b. the high temperature this afternoon was 15 degrees c. last evening there was snow in farmington d. I am moving to southern arizona because it is warm and sunny
As a specific locus, a child can inherit only ___ allele from his or her father and ___ allele from his or her mother.
What will be an ideal response?