Is an agency of the United States federal government whose mission is to protect human and environmental health.
There are 137 prairie dogs living on the football field at the school. The football field's area is 7140 m2. In the football field, how many prairie dogs are there?
Answer:
Option B
Explanation:
Growth of trees would increase the amount of carbon dioxide (atmospheric carbon) taken in for photosynthesis while releasing oxygen into the atmosphere, effectively lowering the level of atmospheric carbon.
Answer:
B)conserve the resources these containers are made from
especially to reuse and recyle and ensure they dont waste the recyclable materials
Answer:
to divide food cans from soft-drink cans
Explanation:
An electromagnet is based on the principle that current through a coil produces magnetic field. Magnetic objects such as Iron, nickel, cobalt or objects made from their combination are attracted by the magnet. This property is used to separate materials in recycling plant.
Steel (alloy of iron) would be attracted by the magnet where as aluminium would not be. Thus, steel food cans can be separated from the aluminium soft-drink cans using an electromagnet.