How does wildfire restore soil nutrients?
a.
wildfire kills off the soil organisms that consume soil nutrients.
b.
wildfires restore soil nutrients by decreasing the amount of underbrush in forests that contribute to nutrient loss.
c.
wildfires break down organic material faster than decomposition, thus renewing soil nutrients more quickly.
d.
all of the above

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.

Asap many people try to eliminate fat from their diets which is one reason it is necessary for humans to eat fat a) fat is the only way to get energy b) every cell in the body must contain fat c)fat stores less energy than polysaccharides d) saturated fats make blood vessels healthier

What are the three different shapes, or structures, of carbon-based molecules