Which event best becquerel determine uranium radiates rays?

a cloudy day
a substance glowing in the dark
wrapping of ore in paper
exposure of a photographic plate

exposure of a photographic plate is the correct answer.

Explanation:

Henri Becquerel discovered radioactivity by his studies of uranium and he was particularly interested in uranium and its substance.

He unexpectedly noticed that When uranium-rich element named pitchblende releases invisible and penetrating radiations that darken the photographic plate.

To find whether the phosphorescent uranium salts may absorb the sunlight and emit it again in the form of  X-ray or not he used photographic plates.

Thus Exposure of a photographic plate helped Becquerel determine uranium radiates rays.

why is cellular respiration important for homeostasis?

it changes food into energy that the organism can use.

which of the following is most likely to happen if a cell is not able to divide?

the cell will not be replaced when it is damaged.

explanation: