Which plays both a role in physical and chemical digestion? teeth
saliva
gall bladder
villi

Which describes how weathering and erosion are different? weathering is caused by water. erosion is caused by wind and ice. erosion transports sediments. weathering is a natural process.

In which terrestrial biome can you find trees that produce cones instead of flowers and needles instead of leaves? have trees that produce cones instead of flowers and needles instead of leaves. the latitudes in this biome have evenly distributed precipitation throughout the year. is it high or low

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?