Q: What normally prevent a positively charged particle from colliding and reacting with a positively charged nucleus, but may be overcome by kinetic energy?. Choices: - kinetic repulsions - toxic repulsion - evaporation repulsions - electrostatic repulsions A:
electrostatic repulsions

Q: What are the organized instructions within dna for making proteins called? Choices: - clones - genomes - replicants - genes A:
genes

Q: Q: Through what form of energy transfer does the sun's energy travel? Choices: - solar burst - convection - Fusion - radiation A:
A: radiation

Question: Q: The heart and the arteries and veins are associated with what system of the body? Choices: - metabolism - digestion - respiration - cardiovascular A:
Answer: cardiovascular

*Question*
Q: A group of atoms that results when one hydrogen atom is removed from an alkane is referred to as what? Choices: - chloride group - hyrdrogen group - nitrate group - alkyl group A:
**Answer**
alkyl group

(Q).
Q: What reproductive method has two parents involved? Choices: - mitosis - pollination - budding - sexually A:
(A).
sexually