The Answer is B because distance in that question refers to the distance from the object to the center of the earth
One half-life after a radioactive isotope is incorporated into a rock there will be only half of the original radioactive parent atoms remaining and an equal number of daughter atoms will have been produced.
Glucose is filtered through the glomerulus into the Bowman's capsule. However, in the proximal convoluted tubule (PCT), glucose molecules, almost 100% of them, are actively reabsorbed back into the blood. ... Proteins, do not filter through the glomerulus under normal cicumstances. They are simply too large to do so
Answer:
a. concentration gradient
Explanation:
i did it in apex and got it right.