In the late 1890s, what objection might have been raised about becquerel’s claim that the uranium salt crystals had emitted something that exposed the photographic film?
there was no apparent source for the uranium salts’ energy.

film only becomes exposed in response to light.

both the crystals and the film had been exposed to sunlight during the experiment.

the crystals began to phosphoresce in the drawer and release x-rays.

Iwll give extra points to who gets this for ! what type of reaction is this? ?

24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.

1. list three scientific reasons cockroaches may fly.