When you are sick, you may take antibiotics. These pills revolutionized medicine and made the world a safer, healthier place. Since the 20th century, antibiotics have proved to be a major living improvement. They fight nearly every known form of infection and protect peoples' health.

What does the word revolutionized mean?

An earlier trial of the vaccine reported that 60% of the 1,000 participants experienced side effects. The side effects included fever, headaches, and muscle pain. However, the side effects were all mild and subsided shortly. Affected participants felt better a few minutes after.

What does the word subsided most likely mean?

Dexterity, which involves fine motor skills and hand-eye coordination, helps students of all ages participate effectively in sports. It also helps people be less clumsy in day-to-day activities and perform better in certain school assignments.

What does the word dexterity mean?

Most of you will undoubtedly experience bullying at school, even if you’re not directly involved as a victim or the bully. What’s less certain is how you will respond to injustice. Will you have the moral courage to stand up for yourself or others? Can you do the right thing and not falter?

What does the word falter most likely mean?

The Great Depression was a time of economic crisis during the 1930s. Although the Great Depression began in the United States, it spread throughout much of the world. Many people were out of work. People were homeless and hungry. Farmers struggled because a drought turned the soil into dust. People in cities stood in long lines hoping to get something to eat.

What does the word economic mean?

What caused the Great Depression? Historians and economists have given several reasons. It began with the crash of the stock market in 1929. Farmers also struggled to produce food. In the Midwest, a drought caused the soil to turn into dust.

What does the word drought mean?

To this day, the cure for the common cold remains a mystery. Remedies like drinking water or sipping on clear broth only alleviate the symptoms. Once you feel stuffiness in your nose and begin sneezing, it is best to grab your water bottle and stay in bed to recover as soon as possible.

What does the word symptoms mean?

Nicolaus Copernicus was a Polish astronomer known as the father of modern astronomy. He was the first modern European scientist to propose the heliocentric theory, which stated that the Earth and other planets revolve around the Sun. His theory was condemned and rejected by his peers and other leaders in religion and even in science.

What does the word rejected most likely mean?

The ocean is the one place everyone expects to be brimming with life, but there are patches in these waters that are actually barren. The most prominent place in the ocean is right smack in the middle of the South Pacific. Researchers studied the seafloor there only to find roughly 1000 living cells in each square centimeter—that’s 1,000 times less than other seafloor sediments.

What does the word barren most likely mean?