You can use light produced by _ to heat food.

I have to choose from one of these words in my word bank. Please help.

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

What is the importantence of the carbon and nitretan cycles in the environment

Match the types of competition to their descriptions