What are some ways of reducing the effects of global warming​

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

As a small change in a person's dna can cause a genetic disorder

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino