2. hydrangea plants have flowers that turn blue when in acidic soil and pink when in basic soil.
fertilizers have a compound called ammonium ( after adding fertilizer to soil, a bacterium
converts ammonium to nitrate. during this process 3h+ are released into the soil. what do fertilizers
do to the ph of soil?

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Drag the correct tiles to the image. not all tiles will be used. the diagram is a schematic representation of the electron transport mechanism in mitochondria. label the diagram to complete the model.

Which describes a grizzly bear’s habitat?