Which of the following is used to classify igneous rocks? a. only its origin b. only its mineral composition c. its origin, texture, and location d. its origin, texture, and mineral composition

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

Which best explains why there are 64 possible codons in the genetic code and only 20 amino acids that make protiens of living organisms on earth

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.