If you follow the longest food chain in the food web below from grass to owl, how many trophic levels are there?
grass
aspen
grasshopper
rabbit-fox
frog
#snake
owl
o
A. Three
B. Five
C. Four
D. Two

Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth. Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. Once a rock has been broken down, a process called erosion transports the bits of rock and mineral away

Explanation: