Most environmental hazards, like infectious pathogens, must reach human hosts if they are to cause harm. Think of five or more environmental agents that can cause disease in humans and, for each, describe two or more routes by which people might be exposed to them.

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.

What was the land like over 500 million years ago? what was under the sea?

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geological equipment to analyze the composition of rock?