Which option correctly identified the two main ways that minerals are classified
a. rarity and use
b. country of origin and use
c. crystal structure and chemical composition
d. use and chemical composition

What are characteristics of minerals? select 3 choices

Aplant with dark red flowers is crossed with a plant with white flowers. all of the offspring have dark red flowers with white spots. the alleles got flower color in this plant are both dominant both recessive codominant incompletely dominant

Achange in which factor will affect the rate of reaction only when gases are involved? temperature pressure surface area concentration