classs 5 girls and boys come in zoom it is science class come fast with your name classs is stated I am waiting come fast

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

Most crimes involve some evidence relating to the human body; for that reason, what related science is frequently used in forensic investigations? a)psychiatry b)physics c)botany d)biology