Answer:
Using a control group means that any change in the dependent variable can be attributed to the independent variable.
Explanation:
<span>When applied to earth’s atmosphere, the greenhouse effect is related to the "Amount of Carbon dioxide in the Atmosphere"
Hope this helps!</span>
<span>An estuary is found at one end of a river delta wherein the freshwater from the river meets the saltwater from the ocean. It forms a transition zone between river environments to maritime environments. </span>I hope my answer has come to your help. God bless and have a nice day ahead!
Until recently, Sudan and South Sudan were a unified country. Africa is mainly known for its diversity of wildlife, but there is more to be known about this continent than its wildlife. There are certain political issues in some parts of the continent that require the world’s attention. Sudan and South Sudan are such parts of the continent which one should understand.
Answer:
The protection and restoration of the Chesapeake Bay and its streams and rivers are essential to a healthy and vibrant economy. The Bay provides countless opportunities and dollars in regards to its fishing, tourism, real estate, and shipping industries. Furthermore, working to restore this vital resource helps spur job growth and protect the countless livelihoods that depend on the Bay's health. Quite simply, failure to "Save the Bay™" threatens the Bay's value as an economic driver. Conversely, investing in clean-water technology creates jobs, generates economic activity, and saves money in the long run.
