The image below shows people using sandbags as a means to contain a rapidly rising river. Which process of soil erosion is being prevented by the activity shown below? (2 points)

Wind

Gravity

Glaciers

Moving water

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.

In which area of the neuron is an action potential initially generated?

Experiment for carbon dioxide is essential for the process of photosynthesis and to prove that oxygen is produced during photosynthesis a.write laboratory report about the above experiment b.use the following format •introduction •aparatus •method •discussion •conclusion