Where have infectious diseases impacted population trends and what are governments and aid organizations doing to fight this diseases such as HIV/AIDS and malaria?
What will be an ideal response?
The area most impacted has been southern Africa—in particular, Botswana, Lesotho, and Swaziland. Both governments and international aid organizations have been fighting the spread of the disease through educational efforts and facilitating the accessibility of treatments and condoms. There have been greater services available for HIV testing, counseling, and prenatal screening.
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A localized zone of melting (commonly thought to be stationary) below the lithosphere is called a(n) ____
a. orogeny b. hot spot c. lava flow d. chert e. graywacke
________ is a variety of sandstone that is associated with submarine landslides called turbidity currents
A) Quartz sandstone B) Graywacke C) Arkose D) Conglomerate
GIS (geographic information systems) software is a new, powerful tool for research on ecosystems. Which of the following is NOT something that we can rely on GIS data to reveal?
a. geographic and ecological spatial data b. variation in vegetation in local areas c. sulfur content of deep ocean sediments d. local air pollution emissions e. global variation in vegetation and gross primary productivity
Ecologists refer to the maximum sustainable population for an area as
A. lag phase. B. exponential growth. C. carrying capacity. D. None of these are correct.