Sedimentary rocks such as sandstone often contain cracks or ripples. These marks show that a number of sedimentary rocks form A. In pockets of molten rock.

B. Inside ice in mountain ranges

C. Under sands in the desert

D. At the bottom of bodies of water

Disinfection of impression materials is usually accomplished by a. sterilization with high heat. b. spray or immersion in a chemical disinfectant. c. sterilization with steam under pressure. d. allowing the impression to sit 24 hours in water until all the organisms die.

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy

If a human has 23 pairs of chromosomes in every muscle cell of its body how many chromosomes will be in a human egg or sperm