Use the periodic table to predict which element has the most metallic character ? a. sodium b. silicon c. sulfur d. thallium

Wich organism obtains its energy from dead or decaying matter

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided