How are algae similar to plants? Algae produce carbon dioxide gas as its waste product.

Both contain cell wall and chlorophyll.

Both need egg and sperms cells to reproduce.

Algae and plants need oxygen to make energy.

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 one energy transformation that is taking place in the photo? radiant energy to thermal energy thermal energy to nuclear energy chemical energy to thermal energy radiant energy to chemical energy

Moving down the ramp from 6 meters to