Which of the following is true of fuel used by the brain? brain cells are able to use several fuels other than glucose. the brain is always the last in line for new fuel. the flow of blood to the brain can be suspended for at least 5 minutes. interruption of blood flow for even a few seconds impairs brain function. the body can modulate blood flow to meet the energy needs of the brain.

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

The table below shows data for a population of fish in a pond. fish body color # of fins scales? tail shape a silver 4 yes fan b pink 4 yes flat c black 4 yes fan d orange 4 yes flat e orange 4 yes fan f silver 4 yes flat which of the above characteristics would be most in developing a classification system for the fish? a. body color and tail shape b. presence of scales and tail shape c. body color and number of fins d. number of fins and presence of scales