Which biomolecule is used for building muscles, hair, and nails? O Nucleic Acids
O Proteins
Ś
O Lipids
O Carbohydrates

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

How many major plates cover the earth

Describe the layers of the suns atmosphere?