Tim wants to study how air currents affect weather patterns around the Earth. During his study, he makes several assumptions based on accepted scientific knowledge, including the Earth is round;
warm air rises over cooler air;
the Sun is the main source of energy for many Earth processes.
Is it acceptable for Tim to make these assumptions during his investigation?

the answer is

not always but somethings can be reproduced in a laboratory.

hello, ballerbaby1265. i would say that the child has had a concussion due to the fall and their symptoms. 60 beats per minute is normal in a child that is sleeping, but not while awake. two of the main symptoms of a concussion after are both sleepiness and being tired. i hope i have a great night.