Imagine that you are a farmer. You own many acres of land, but much of it is not arable because it lacks nutrients that crops need to survive. Which of the following strategies would you use to make your land arable?

The rate at which molecules water and oxygen can enter a cell is determined by the-

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

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.