Iron reacts with atmospheric oxygen to form iron oxide or ferric oxide. Look at the chemical equation for this reaction: Fe +Oz - Fe_03
This equation is unbalanced. Which of the following is the correct balanced equation for this reaction?
OA 4Fe +302 - 2Fe2O3
OB. 3Fe + 402 - 2Fe2O3
OC 2Fe + 402 - 3Fe2O3
OD 3Fe +302 - 4Fe2O3
OE 4Fe + 402 - 3Fe2O3

What occurs to the cell during mitosis

Identify the terms using the following picture. principle of dominance item 1 can be described as the . item 2 can be described as the . the "p" represents from one parent.

Humans are believed to have evolved in coastal regions in east africa. the region had an abundant supply of fish for early humanoids to eat. when scientists analyze the fads gene they see an interesting pattern. people whose families have lived in this area of east africa for generation show a high level of diversity in alleles for the fads gene. conversely, people whose families had migrated inland a moderate distance from sources of fish showed a much lower diversity for fads gene alleles. additionally, the fads alleles found in people whose family has lived inland for generation are almost all gene alleles which produce fads proteins with a high level of function and activity. how do anthropologists explain this?