*Question*
Q: Endothermic and exothermic reactions differ in whether the products or reactants store more of what? Choices: - Motion energy - Thermal energy - Kinetic Energy - chemical energy A:
**Answer**
chemical energy

*Question*
Q: Red blood cells, white blood cells, platelets, and plasma are all components of what fluid? Choices: - heart - brain - Vessals - blood A:
**Answer**
blood

*Question*
Q: Friction does negative work and removes some of the energy the person expends and converts it to which kind of energy? Choices: - erosion - hydro - evaporation - thermal A:
**Answer**
thermal

*Question*
Q: What are the building blocks of dna? Choices: - prokaryotes - peptides - genes - nucleotides A:
**Answer**
nucleotides