Which of the following is used to improve water absorption into the soil? A. Terrace
B. Contour planting
C. all of the above
D. mycorrhizae fungi

Which format should he use to present his data?

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above