Read this excerpt from A Black Hole Is NOT a Hole.

Certain things are invisible to us because our eyes just can't sense them. You don't see beams of infrared light shooting across the room from your remote control to the TV, for example, or radio waves streaming off everyone's cell phone.

Which statement best identifies the description in this excerpt?

The author gives examples of people who use cell phones.
The author describes different features of TV remote controls.
The author gives examples of things our eyes cannot see.
The author describes a feature of infrared light beams.

Define the following word using the meaning of the suffix. use your dictionary if you are uncertain of the definition. argument a. full of disagreement b. act of disagreement c. state of disagreement d. quality of disagreement

Match the definition to the word for a better understanding of the paragraph. 1 money does not buy happiness or security. 2john ringling, one of the five brothers of the ringling brothers circus, started out in 1884 with a trained horse and a performing bear. 3for over forty years, he worked hard at the family enterprise, bought up smaller circuses, and imported new acts. 4in the 1920s, he was rated as one of the world's wealthiest men and owned every sizable circus in the country. 5over 5,000 people were on his payroll, and over 240 railroad cars were in his retinue each time the circus moved. 6at the time of his death, however, he was a nervous, unhappy man; he was also bankrupt and beset by lawsuits. 7his carefully built circus empire passed into alien hands. 8all those years of work had turned to dust. 1. business organization alien 2. group beset 3. without funds to pay debts retinue 4. troubled or harassed enterprise 5. strange; belonging to another person, place, country, or thing bankrupt

If you receive an email then this doesn’t apply what does this mean?