Answer:
Phosphoric acid is a good substitute for muriatic acid and in most situations will clean surfaces just as well with less risk. Phosphoric acid is a main ingredient in many commercial grout and concrete cleaners that are readily available to consumers.
Explanation:
When penicillin was first developed in 1940, many doctors regarded it as a Panacea that would end all infectious diseases.
Answer:
d) All are examples of using classical conditioning
Explanation:
C to model the concepts of the presentation
Nutrient-dense foods are rich in nutrients relative to their calorie content. These include various healthy foods such as whole vegetables, fruits, cocoa, seafood, eggs and liver.