Coal production in Virginia has fallen about 73 percent from the peak output reported in 1990 (46.6 million short tons). What is a possible cause of the production trend shown in the graph?

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

Which organisims can cause diseases a. micro organisims b. multicellular organisnims c. both d. neither