Which of the following statements about the antarctic circumpolar current is correct?

a. it transports heat from the north atlantic to the indian ocean.
b. it determines the frequency of el niño and la niña weather systems.
c. it reduces temperature fluctuations between seasons in north america.
d. it reduces temperature fluctuations between seasons in europe.

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

How does the study of genetic disorders such as pku biologists understand normal alleles?