Answer:
D
Explanation:
It is often like this: cell->tissue->organ->system
I think the second option is the best (by making the ramps height and length equal) because the first option will require more pushing, the third option will only make the ramp lighter which could cause it to not stay in place, the last option would make it harder to push the boxes up because the rubber will make it harder to slide the boxes up. I hope this helps:)
Answer:
legumes
plants they eat
Explanation:
Legumes have bacteria attached to it to allow for nitrogen absorption
the bacteria provide the plant with nitrogen, then the plant is eaten (bacteria can no longer provide more nitrogen if eaten).
Gaurd cells are high for exchange of gad
Treat the liquid as if it is hazardous. Inform your teacher/instructor so you will be notified of the proper disposal technique.
