Many cities have “combined” sewers. In good weather, these systems funnel sewage to treatment plants. During rainstorms street runoff is combined with sewage.

Combined sewers in cities can be problematic because .

If animal agriculture was eliminated, how much grain would become available for human consumption?

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele

Match the following items 1. rr 2. rr 3. identical alleles 4. unlike alleles 5. rr ()homozygous, recessive ()homozygous definition ()heterozygous, dominant cell ()heterozygous definition () homozygous, dominant cell