Answer:
How invisible particles can be observed in outer space. ... We call this invisible mass dark matter since it cannot reflect light. Gravitational effects are only way we can detect its presence.
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 agreement about the way to represent enslaved people is the Three-Fifths Compromise of 1787. It was stated in the Constitutional Convention that slaves should be counted as three-fifths of a person, the clause intent to balance the power and influence that the counting of slaves in the Southern could have in elections.
The representatives were defined by the number of population and Southern had many slaves and wanted all of them to be counted as voters but they were still treated as property and were not taxed as free people, because the number of slaves was much bigger in southern than northern states, that already abolished slaving, the northern fought back for a fairly counting for the representatives, so they came to an agreement to count three slaves out of every five slaves regarding the population of each state and for taxation matters.
Consent of the governed; john Locke believed that the government was made to serve the people
I don't really know it but I think the answer is following