A The continents were once joined together
Explanation:
All the continents were once together making a huge one called Pangea.
The awnser is the last one
The environmental effects of an individual or group in terms of resources used and waste produced is an individual or group's ecological footprint (option A).
<h3>What is ecological footprint?</h3>
Ecological footprint is the measure of how much biologically productive land and water area an individual, population or activity requires to produce all the resources it consumes and to absorb the waste it generates using prevailing technology and resource management practices.
Living organisms make use of resources in the environment and these can either leave negative or positive effect on the environment that will affect sustainability.
Therefore, it can be said that the environmental effects of an individual or group in terms of resources used and waste produced is an individual or group's ecological footprint.
Learn more about ecological footprint at:brainly.com/question/14441911
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Answer:
The physical interaction of light with particles and gases in the atmosphere
Explanation:
The way visibilty works is that light bounces off objects and molecules which return to our eyes and give us the ability to see our surrondings and light in the atmosphere is scattered which at times prevents us from being able to see.
