Which of these describes one of the functions of the nervous system?
a)providing the cells of the body with energy
b)sensing changes in the external environment
c)removing waste materials from the body
d)transporting nutrients throughout the body

Suppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

Explain how scientists use geologic time to determine the age of landforms.