Because of its chemical similarity to calcium, 90/38 Sr can collect in the bones and present a health risk. Part A
What percentage of 90/38 Sr present initially still exists after a period of 46.0y ?
Part B
What percentage of 90/38 Sr present initially still exists after a period of 59.0y ?
Part C
What percentage of 90/38 Sr present initially still exists after a period of 70.0y ?

potential energy is directly proportional to height.

more height = more potential energy.

greatest increase in height = greatest increase in potential energy

where are the points with the greatest increase in height ?

has to be c-e or d-e .

answer: the exterior temperature of commercial jet planes as they leave the stratosphere and return to the ground increases steadily.

explanation:

the lower most layer of atmosphere is troposphere which extends from 0 to 12 km above the surface of the earth. the temperature initially decreases as distance is increased from the earth's surface. commercial jets fly in lower part of the stratosphere. the stratosphere extends upto 50 km. the temperature in stratosphere starts rising again due to presence of ozone which traps the uv rays.

thus, when the planes leave the stratosphere and return to the ground, the exterior temperature increases steadily.

more than, less

less than, more