Which is NOT a method of preventing soil degradation? A. cover crops
B. reduced tillage
C. crop rotation D. irrigation

Explain why ecosystem diversity results in species diversity in a healthy biosphere

Plz ! what does it mean for an allele to be dominant?

Which of the following statements about genes and traits is true? a single trait can be controlled by multiple genes. a single gene can control a single trait. a single trait can alter multiple genes. a single gene can influence multiple traits.