Analise a pintura. ela mostra um indígena armando seu arco para atirar uma flecha.
a. que tipo de energia está acumulada no arco esticado pelo indígena?

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.