In the middle of the night, you hear a tornado siren. Which step should you take?
A) Map an evacuation route.
B) Go to your basement.
C) Board up your windows.
D) Open your window.

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria

50 points! which of the following is an inference? a burning candle is extinguished when it is covered with a jar. the candle burns longer than expected in a jar that has a plant in it. a plant lives longer than expected in a jar that has a burning candle. there is more oxygen in the jar because there is a plant in it.

Explain why scientists use the word dominant for certain traits.