Why would sand and water be an example of a heterogeneous mixture? select all that apply. chemical bonds are formed between the sand and water. *the mixture does not have a uniform appearance. *the mixture does not maintain a uniform composition. the sand stays suspended in the water.

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.

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

What is the subscript for oxygen in its molecular formula