A Jar contains 10 red marbles and 35 blue marbles. a. If you randomly sample of n=3 marbles is selected (with replacement) from the jar, what is the probability of obtaining first 2 are red marble and last one is blue?

After rain, water soaks into the ground and is added to the groundwater. this process is known as a. groundwater pollution. b. groundwater recharge. c. groundwater recycling. d. groundwater filtration.

Susie ran a race. she ran 55 miles an hour, and the race took her tt hours to complete.

Which statements about the two fossil images are correct? 1. cave bears are ancestors of plateosaurus. 2. plateosaurus were present on earth before ostracoderms. 3. ostracoderms were the first to die. 4. plateosaurus died after the ostracoderms. 5. cave bears are the oldest fossils.