Please help me with this chemistry question ​Sorry this is not biology.

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above