which of these practices decreases soil erosion the most?

a. crop rotation

b . integrated pest management

c . cover crops

d . drip irrigation

What kind of seafood would you expect to have the highest levels of mercury and why? kelp, because they use the sun to photosynthesize on the bottom trophic level. oysters, because they filter feed on plankton on a lower trophic level. small fish, because they eat plankton on a higher trophic level. sharks, because they feed on organisms on a higher trophic level.

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?