Answer:
3. biological hazard
Explanation:
Any hazard that can be carried around the world and spread through contact can be spread quickly, specially owing to the mobility of humans. Noninfectious diseases cannot be transferred via human mobility as it is noninfectious. Chemical hazard require the chemical to be physically transported without the need for human itself. Physical hazard, as well, require the hazard to be transported or travel on its own without the influence or interference of humans. Biological hazard can be transmitted via human body as they become the carrier of the hazard.
The europeans brought infectuous diseses such as the bubonic plague, chicken pox, pneumonic plague, cholera, diphtheria, influenza, measles, scarlet fever, smallpox, typhus, tuberculosis, and whooping cough. The diseases introduced in the Americas by the Europeans were crowd diseases: that is, individuals who have once contracted the disease and survived become immune to the disease.
Not completely sure but I think it's B
A. voting rights could not be denied based on race.
B. voting rights could not be denied based on gender.
C. poll taxes became illegal and unconstitutional.
D. literacy tests became illegal and unconstitutional.
The fifteenth amendment states that "The right of citizens of the United States to vote shall not be denied or abridged by the United States or by any State on account of <em>race</em>, <em>color</em>, or <em>previous condition of servitude</em>."
There was no mention of gender, so voting for women hadn't been legalized until 1919, making B wrong.
Answer: We have symbols on maps to show realistic features of the Earth
hope this helps <3