Astronomers believe that there are about 100,000 comets that travel through our solar system. Comets are chunks of ice, dust, and gas that
orbit around our Sun. Which of the following can be observed from Earth
as comets get closer to the Sun? *
They explode
Their gases burn
Their tails get longer,
They begin to slow down ,

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d

Which strand is synthesized towards the replication fork

High blood pressure occurs when there is too much blood flowing through the blood vessels at one time. by changing the amount of water in the blood, blood pressure can change. the excretory system can to lower blood pressure. which would most likely occur in the kidney? a)more water would be transferred from the nephron. b)less water would be absorbed into the nephron. c)the amount of water in the bladder would decrease. d)the amount of water in the blood would increase.