This is the definition of what word: the random movement of molecules across a concentration gradient until the difference in concentration between two regions is near zero? diffusion osmosis passive transport active transport

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s

Asap brainliest will be which sentence about protists is accurate? all protists are unicellular and microscopic in nature. they have organelles, so protists are eukaryotic in nature. all protists make their own energy through photosynthesis.

Babies with very low or very high birth weight are less likely to survive. observe a graph of the data.