You will frequently be called upon to deal with internal bleeding. Blunt trauma is the leading cause of internal injuries and bleeding. Which of the following are mechanisms of blunt trauma that may cause internal bleeding?1. Falls
2. Motor vehicle or motorcycle crashes
3. Auto-pedestrian collisions
4. Blast injuries
a. 1, 2, 3
b. 2, 3
c. 1, 2, 3, 4
d. 1, 4

According to the big bang theory, after the "bang," the universe remained dark until about  300,000 yearsone billion yearsthree minutesthree billion years  later, when neutral atoms began to form.

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping