Materials move down a concentration gradient. Passive or active?

Through which vascular tissue does water and nutrients get transported to reach the leaves during transpiration? a. cuticle b. parenchyma c. xylem d. phloem

If pore space comprises 60% of the total volume of a soil and half of this pore space is filled with water, how much of the total volume of the soil will be filled with air? a. 30% b. 40% c. 50% d. 60%

The independent variable in this experiment was, and the dependent variablewas.

When one atoms electron is given up to another atom both atoms become what?

Both chloroplasts and mitochondria are like in that they both have - blank - membranes and their own - blank -.

Survival of the fittest

Which of the following describes the function of chloroplast? a transports materials throughout the cell b makes proteins c converts inorganic compounds into glucose using sunlight d stores excess material

How do earthquakes at divergent plate boundaries differ from those at convergent plate boundaries? Earthquakes at divergent boundaries are deeper and more severe. Earthquakes at divergent boundaries are almost always larger.

What are 4 things that our atmosphere does for us

Which of the following is an example of the strength of hydrogen bonds in water? A. Surface Tension B. Solubility C. Flow Rate D. Reflection Index