What skill do some children skip? a. squatting b. walking c. crawling d. talking

The correct answer is C. Crawling

If the child is completely healthy then it can go through all the stages of development. Some children skip the crawling phase which means that they go from being static to walking without crawling around at first like babies normally do. It is not out of the ordinary for kids to skip this step.

Your answer is  d.)relationship between pressure and air volume and led to the understanding of how respiration works

You did not show us the image of the burger, but i shall try to answer as best i can.  when purchasing food, always consider the ingredients as well as the person who prepared it. consider if they were hygienic people or not, in case the burger was infected with bacteria. no mortal should place an infected burger into their mouth.