This is for Environmental science How is proper science validated

A. Experimentation and testing
B. Tests and personal claims
C. Opinions and beliefs
D. Assumptions and quantitative

What is the average speed of a car that traveled 300.0 miles in 5.5 hours

Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. because of this, we would expect osteoblasts to contain numerous a) nuclei. b) ribosomes. c) lysosomes. d) golgi bodies.

Reactants undergo chemical reaction to form products. this chemical equation represents one such reaction. the coefficient for one of the reactants or products is incorrect. which part of the chemical equation is incorrect?