Which energy transformation takes place when a match is struck against the side of a matchbox and burst into flames? a. electrical > light energy b. heat > kinetic enegry c. potential energy > electrical energy d. chemical energy > heat energy

Which prevent errors in dna replication? a. helicase enzyme checks the dna for errors. b. each base can attach to only one other type of base. c. ribosome enzymes prevent errors from happening. d. dna contains no complementary base pairs.

Which of these resources is used worldwide to make construction products, pottery, and porcelain

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u.s. fish and wildlife service