Answer:
They affect chemical reactions by lowering the activation energy, thus speeding up the reactions.
Skin cells are also called epithelial cells
Answer:
Explanation:
Water in the lake (hydrosphere) seeps into the cliff walls behind the dam, becoming groundwater (lithosphere), or evaporating into the air (atmosphere). Humans (biosphere) harness energy from the water (hydrosphere) by having it spin turbines (lithosphere) to produce electricity.
Answer:
carbon dioxide and water
Explanation:
carbon dioxide and water are the raw materials needed to start the reaction. They are on the left side of the equation so that is how you know.
Neuroglial Cells is the answer