(b) Several factors contribute to the maintenance of grassland ecosystems. (i)
Describe one way that grazing animals, such as bison or cattle, help to maintain grassland ecosystems.
(ii)
Explain how seasonal fires benefit grassland ecosystems.

Jacob’s four-month-old infant is crying continuously. while jacob’s wife suggests that he pick up the baby, jacob’s mother thinks that picking up the baby each time she cries is bad for the baby. why is jacob’s wife right? a. babies sleep better when carried. b. babies learn to cry whenever they want someone to hold them. c. babies may choke if crying while lying on their back. d. babies develop a sense of trust that someone is there to provide care.

What are the main functions of the human skeleton? a exchange of gases b support and movement c sensing the environment d digestion and excretion

Brian has been working for a few years now and has saved a substantial amount of money. he now wants to invest 50 percent of his savings in a bank account where it will be locked for three years and gain interest. which type of bank account should brian open?