Answer:
1) in some cases, the same weigh boat will be used by all students: This is True, but the weigh boat must be properly labelled with the compound that is intended to be weighed.
2) the empty weigh boat must be tared (set to zero) before adding material.: This is true because to get accurate weight, it is required to tare the empty weigh boat so as to get the weight of the material alone and not factor in the weight of the empty weigh boat.
3) a paper towel should not be used to transfer product out of a weigh boat: This is true because you want to ensure that no impurities is mistakenly added into the material that is being weighed.
4) the balances in the lab can be zeroed out with a weigh boat on the balance: This statement is true because there must be a counter weight to zero an already existing balances.
5) plastic weigh boats can prevent spillage when weighing liquids into a beaker: This is True because the plastic would help to ensure that the liquids is directly poured into the beaker without spillage.
Explanation:
We
have that
Sheri's
age=x
terry's
age=y
in
20 years
x+20
<span>=y
equation 1</span>
in 10
years
y+10<span>=2*x equation 2</span>
resolving
y=x+20 equation 1
y=2*x-10 equation 2
x+20 =2*x-10
2*x-x=20+10
x=30
y=x+20--------------y=30+20=50
Sheri's
age=x------------------30 years
terry's
age<span>=y-------------------50 years</span>
Answer:
The guideline under this choice is that the first Amendment must ensure "unpopular opinion" offered that the larger part input is as of now secured. Regardless of whether Nazis intentionally picked a Jewish people group for their meeting, this was "serene" and the State reserved no option to forestall it. Besides, it makes a differentiation among activity and discourse, representative discourse, such as wearing Swastikas, is ensured as discourse and can't be prohibited or confined. The court concluded that it was desirable over permit this gathering to vent their scorn than to permit government to mention to residents what to think and state. This choice is significant, it made the way for emblematic discourse from numerous points of view, regardless of whether hostile for certain gatherings. Regardless of whether this is certain or negative relies upon out perspectives on freedom.
Answer:
A common cultural heritage, including religion, language, and/or ancestry, that is shared by a group of individuals is called <u>ethnicity</u>.
Explanation:
Ethnicity or an ethnic group is defined by the state of belonging to a social group that has shared cultural traditions that can include religion, language and/or ancestry. These share factors make people identify with others as a part of a whole group that have the same interests, and that often come from the same or similar places. There are huge ethnic groups that comprise hundreds of millions of people, like Chinese communities, or in a larger scale, Asians. And there are also very small ethnic groups like a specific tribe of native Indians that can be as big as a dozen people.