Which of the following substitutions can help reduce air pollution? using a bike instead of a car
using dumps instead of landfills
using coal instead of oil
using fireplaces instead of a wind farms

Match the digestive enzymes to the macro molecules they to digest. down fats into glycerol and fatty acids down carbohydrates into simple sugars down nucleic acids into nitrogenous bases and simple sugars down proteins into amino acids

Trilobal fibers were found on kidnapping victim. which of the following fibers would most likely to be trilobat? a. cotton b. nylon c. wool d. silk me

What are two ways in which waves erode the land?