Many children were paralyzed by polio in the 1950s. Today, polio has been reduced by 99 percent. Which statement best explains how this disease has been almost eradicated?

Why do Fennec Foxes have big ears? And don't tell me to hear and regulate heat of their body I already know that

What is the definition of chemical bond

Approximately how many segments did the whole earthworm have?

How do atomic mass and atomic number compare for helium? look up a periodic table to see the square for helium. the atomic mass is greater. the atomic number is greater. the atomic mass and atomic number is qual.

A compound light microscope was used to study a stained wet-mount preparation of a sample of an unknown tissue.

At the center of the Andromeda galaxy is a source of x rays that scientist believe is a black hole with how many more times than the sun

True or false? The more similar two organisms are, the more distant their common ancestor is.

The blood-brain barrier a. is fully developed in humans when they are born. b. prevents many drugs from entering the brain. c. is designed to allow all drug compounds into the brain. d. cannot be penetrated, even with trauma to the brain.

Which is another name for observations? Models Predictions Data Inferences

A father has the genotype dd and a mother has the genotype dd fill in the punnett square below to show their possible offspring?