Answer the following question given this paragraph: The first case of West Nile virus in North America occurred in 1999. Within just a few years, the virus had spread throughout most of the United States. Birds as well as humans can be infected with the virus. Birds often fly long distances. This is one reason why West Nile virus spread so quickly. Q: Where did west nile first appear? Choices: - Central America - North Africa - Southeast Asia - north america A:
north america
Answer the following question given this paragraph: Today we know that we have eight planets, five dwarf planets, over 165 moons, and many, many asteroids and other small objects in our solar system. We also know that the Sun is not the center of the universe. But it is the center of the solar system. Q: What is considered the center of the solar system? Choices: - nebulla - earth - heat - sun A:
sun
Q: Answer the following question given this paragraph: Symbiosis is a close relationship between two species in which at least one species benefits. For the other species, the relationship may be positive, negative, or neutral. There are three basic types of symbiosis: mutualism, commensalism, and parasitism. Q: What is a close relationship between two species in which at least one species benefits called? Choices: - parasitic - morphogenesis - competition - symbiosis A:
A: symbiosis
Question: Answer the following question given this paragraph: Q: Differences between organisms reflect differences between their nucleotide sequences rather than between their what? Choices: - molecular codes - amino acids - environments - genetic codes A:
Answer: genetic codes
*Question*
Answer the following question given this paragraph: Thunderstorms are are known for their heavy rains and lightning. In strong thunderstorms, hail and high winds are also likely. Thunderstorms are very common. Worldwide, there are about 14 million of them each year! In the U. S. , they are most common and strongest in the Midwest. Q: About how many thunderstorms are there each year worldwide? Choices: - 21 million - 17 million - 23 million - 14 million A:
**Answer**
14 million
(Q).
Answer the following question given this paragraph: Animals may communicate by sight with gestures, body postures, or facial expressions. Look at the cat in Figure below . There's no mistaking the meaning of its arched back, standing hair, and exposed fangs. It's clearly saying "stay away, or else!" Bees communicate with a waggle dance. They use it to tell other bees where food is located. Q: How do bees communicate to tell other bees where food is located? Choices: - wing flapping - mating dance - high pitch noise - waggle dance A:
(A).
waggle dance