When the moon, earth, and sun are lined up as seen here, the gravity of the sun plus the gravity of the moon cause tides on earth.

Which of the following statements about protists are true? a.they are typically found in moist environments. b.they are all unicellular. c.they have a nucleus. d.they are all multicellular.

Linda and julia are trying to determine whether their ideas are scientific or pseudoscientific. linda's idea is free of bias. julia's idea gives the same result when tested repeatedly. which statement is correct about linda and julia's idea?

During convection, less dense fluid rises and denser fluid sinks.