Which of these surface features are formed because of the chemical actions of groundwater?

a. wells and waterfalls

b. sinkholes and caves

c. hot springs and geysers

d. wetlands and volcanoes

Oak and maple trees, chipmunks, white-tail deer, and black bears emerging from hibernation are all organisms that may be found in which biome

Ihave made a synthetic cell by placing a solution that is 10% sodium chloride inside a semipermeable membrane through which water can pass but not sodium chloride. if i place this cell into a solution that is 20% sodium chloride what will happen to the size of the cell? will it increase, decrease, or stay the same in size?

The smallest biological units that can evolve are