If a molecule is large and mainly contains carbon and hydrogen
atoms, then which of the
following is true?

What do scientists need to look at before developing an argument

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?