Answer:
What you should put is The moter oil was used often and the syntheic oil has many advantages and the envirorment and society.
Explanation:
Answer:
A. Skills were needed
Explanation:
Because we know arsenals mean "an array of resources available for a certain purpose" so when you read that paragraph to play hockey you need skills as well as talent to make it to the NHL. So A. is the best choice.
Human activities cause increased nitrogen deposition in a variety of ways, including
<span>burning of both fossil fuels and forests, which releases nitrogen into the atmosphere
fertilizing crops with nitrogen-based fertilizers, which then enter the soil and water
ranching, during which livestock waste releases ammonia into the soil and water
<span>allowing sewage and septic tanks to leach into streams, rivers, and groundwater</span></span>
