Polio is a disease that can cause paralysis. Doctors treated patients with casts and braces, but the work of Elizabeth Kenny led to the use of hot baths and exercise to treat polio victims. These patients had less incidence of paralysis. Kenny’s ideas and their acceptance were due to
The overall population of a species decreased. What could have occurred to make this happen?
Which source would be the most reliable to validate a claim?
Which of the following scenarios is representative of how agricultural practices can affect the environment?a.increased oxygen levels in a pond due to fertilizer runoffb.sediment accumulation in a body of water near a farmc.soil compaction caused by tillaged.increased plant growth caused by the application of herbicides
Organisms that live in freshwater and marine biomes have developed unique adaptations that aid in their survival. Which of the following adaptations does not help an animal move through the water? a. streamlined body b. thick layer of blubber c. flippers and flattened tails d. smooth, almost furless body Please select the best answer from the choices provided
Why is it important for an individual to assess environmental factors for health risks?a.Both indoor and outdoor environments can pose potential risks for an individual’s health.b.While indoor environments are safe, outdoor environments can potentially harm an individual’s health.c.Indoor environmental risks can only lead to lung issues, while outdoor environmental risks lead mainly to behavioral problems.d.Environmental risk factors are important when an individual is considering outdoor exercise, but not during everyday activity.
Which of the following best explains how a hurricane can increase an area’s susceptibility to future storms?a.Storm surges cause massive damage to buildings along coastlines.b.Hurricanes often flood coastal communities.c.Hurricane strength winds cause large amounts of property damage.d.Erosion caused by hurricanes can leave coasts more exposed to storms.
Which is an example of a way in which science has improved a societal problem?
Which of the following best explains why buildings tip during earthquakes?a.Seismic waves damage buildings’ foundations.b.The liquefaction of solid soil undermines buildings’ foundations.c.Body waves break underground water pipes.d.Surface faulting moves the ground in different directions.
A biologist counts the number of zebras in a population each year, and notices an increase in the zebra population. Which describes the biologist’s actions?
Why is water considered to be abiotic?
Which statement correctly describes the electrons in a water molecule?
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