Answer: A. greenhouse gas emissions
The issues concerning the increased and uncontrollable amount of greenhouse gases emitted by different industrialized nations today is among the areas that required the attention of several countries. These emissions greatly damages our ozone layer thus worsening global warming making us prone to all types of man-made and natural calamities.
The word that best fits the description of a mix of multiple roles is <u>Role Set. </u>
<h3>What is a role set?</h3>
- The different roles that a person needs to assume throughout their life.
- A mix of roles that each person has from their primary roles.
A role set is therefore a mix of various roles. For instance, Mark Zuckerberg is the CEO of a tech company as well as a father to his child and a husband to his wife.
Find out more on social roles at brainly.com/question/1288622.
Research on brain activity shows that by taking pictures and engaging in other activities, Ashely's brain activity for driving has reduced by d. 37%.
<h3>Why would her brain activity decrease by this amount?</h3>
The brain is good at multitasking but some activities should not be done together as they require the same brain areas to engage in.
If one is driving, the brain needs a lot of focus and this can be reduced by engaging in other activities such as talking, and listening to others as these also require concentration.
This is why brain activity for Ashley reduced by 37% in relation to driving.
In conclusion, option D is correct.
Find out more on driving at brainly.com/question/1557131.