Which of the following describes how infectious agents in the environment would most likely affect one's personal health? A. Exposure would first cause a cell-mediated immune response from the body.

B. Infectious agents would trigger nonspecific external defenses such as sweat, saliva, and mucus.

C. Exposure would weaken the body's immune system and leave it unable to fight future infections.

D. Infectious agents would invade the body and leave it unable to produce antibodies.

Zoe decided to measure the hand length of each of her classmates. first she marked a line across each student's wrist and lined up a ruler from this mark to the top of the middle finger to measure the length. then she recorded the measurements in the table below. marla did this the same way for each classmate, and then zoe used this ruler to measure each straight line and record the data below. this data is invalid. what is the most likely reason why it is invalid? the ruler is marked in centimeters, but zoe recorded data in inches. the range of lengths is too wide, so zoe must have misread the ruler. marla’s complicated measuring procedure was overly confusing. marla could have been inconsistent while drawing outlines of fingers.

Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat. o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat. habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.

Which measure of an earthquake depends on how close you are to the focus?