They are "a dual-earner" family.
Dual earner family means when two people who are married and both are employed and pursue a career along with living a family life also, as in the above case <span>Gene and Betty both are married and have careers. </span>
They are evidence of our deep preoccupation with the things that surround us whether they are natural or the product of human endeavor. they are there to teach people what was before them.
Your vehicle's <u>weight</u> and <u>tyres</u> have the greatest impact on traction. Hence, the answers are weight and tyres. Read below about traction.
<h3>What is a traction?</h3>
Traction is the action of drawing or pulling something over a surface, especially a road or track. It is also the grip of a tyre on a road or a wheel on a rail.
Therefore, the correct answers are weight and tyres.
learn more about traction: brainly.com/question/17370563
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❖ Competition in the cell phone market results in better quality cell phones.
Better quality cell phones is the answer because for example, Samsung and Apple are competing against each other and they keep making their phones better to attract more customers.
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