Drag the tiles to the correct boxes to complete the pairs. Match each nutrient to its description.

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt

Explain how organisms could be harmed by high levels of salt from roadways?

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?