My guess is A, but I don't know for sure.
Answer: Sharing cardboard books with babies and frequently reading to toddlers on the adult's lap or together with one or two other children. Providing simple art materials such as crayons, markers, and large paper for toddlers to explore and manipulate.
Explanation:
It will screw the food web up because invasive species can take over and kill other species therefore eliminating one or more food sources that that environment had.
Answer: good workouts that improve your cardiovascular endurence are running swimming and hiking
Explanation:
workouts that improve your body's consumption of oxygen (if you copy and paste for a test your teacher will see, so text the same thing)
Answer:
The clinical trial show efficacy and safety.
Explanation:
There are tests that are done to make sure that the drug, vaccine, etc. works. The effectivness is called efficacy. In order for a drug to be apporved it has to be safe and effective. If it fails this test, it is not approvable.
