A healthy environment ensure healthy life. Justify​

The hazard communication standard has requires that each container holding a hazardous chemical have a warning label that is easily seen . what information must the label contain ?

Which of these contraceptive methods on its own is least likely to prevent pregnancy ? a. spermicides b. condoms c. surgical sterilization d. oral contraceptives

Which learning theory is based on associative learning? a. cognitivism b. constructivism c. behaviorism d. transformative