Susan designs an experiment to test the effects of Fertilizer X on corn yield as measured by the bushels of corn that are produced. Fertilizer X is used on one field of corn, and no fertilizer is
used on a second field of corn. Soil type, drainage, irrigation, corn strain (i. e., genetics), and
pest management are the same for both fields.
1. What is the independent variable?

2. What is the dependent variable?

3. What are the standardized variables?

4. What is the experimental group?

5. What is the control group?

the answer would be..

b. sucking

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.