What type of lamp will show invisible heat radiation

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Sarah is sitting at the top of the slide in the schools playground. which will increase sarah’s kinetic energy a- an additional child is added to the top of the slide. b- sarah is pushed and moves down the slide. c- sarah climbs down the ladder and off the slide. d- the ladder is moved to the other side of the yard.

Which muscle is responsible for inhalation ?