Please help me with these two questions for environmental science

Identify the level of organization that describes this statement: water,
carbon dioxide, glucose
A-Atom
B-Molecule
C-Compound
D-Element

Identify the level of organization that describes this statement: American
robins, Grey squirrels, White Oak Trees, Millipedes - all together *
A-Organism
B-Population
C-Community
D-Ecosystem

Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat. o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat. habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.

Arepair man charged $93.06 the price included 2 hours of labor and 40 service charge how much does the repairmen charge per hour for labor?

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box