After looking at the info graph which mineral can scratch both green stones

Which allele combination represein a dihybrid cross for round and yellow seeds (rryy x rryy), what is the probability of having green and wrinkled seeds? nts a male who has an x-linked recessive disorder? which allele combination represents a male who has an x-linked recessive disorder?

Which kind of aquatic ecosystem does the photograph most likely show? a. marsh b. swamp c. lake d. river

The body is protected against harmful flu viruses by