Which of the following are arranged in the correct order by size, from smallest to largest? A.)Electron, Atom, Cell, Molecule, Neutron
B.) Atom, Neutron, Electron, Molecule, Cell
C.) Electron, Neutron, Atom, Molecule, Cell
D.) Electron, Neutron, Atom, Cell, Molecule
E.) Neutron, Electron, Atom, Molecule, Cell

Which of the following is the most likely result of converting forestland to urban development? a. the amount of land available for lumber production decreases. b. fewer trees are needed because cities are made mainly of concrete. c. people discover more efficient ways to grow trees. d. the price of lumber goes down.

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Which best explains why there are 64 possible codons in the genetic code and only 20 amino acids that make protiens of living organisms on earth