What can be concluded about presenting new theories
in the field of science?
O Presenting new theories is hard because it usually
does not lead anywhere.
It might be met with skepticism, but it could lead to
great discoveries.
Other scientists always support new theories that
are presented.
O A theory must be fully accepted in order to be
credible.

This can be concluded:

It might be met with skepticism, but it could lead to  great discoveries.

Explanation:

Most of the time in the scientific community, new research is met with scrutiny as the people are wont to hold up tot he older tested models

Most of the new theories are rigorously tested by various number of scientists who then put it through scientific analysis.

If the  theory does hold up this, it becomes accepted.

Scientific community only accepts such theories that pass the scrutiny but often the ones that do are the ones that bring real change into the field.

the question concerns exactly this part of the speech:

i am not now thinking of the loss of property involved, immense and serious as that is, but only of the wanton and wholesale destruction of the lives of non-combatants, men, women, and children, engaged in pursuits which have always, even in the darkest periods of modern history, been deemed innocent and legitimate. property can be paid for; the lives of the peaceful and innocent people cannot be.

president wilson talks about the lives of people destroyed by german army. but these people are not americans, they are the local people living in europe. the president mentions the barbarity of germans, considering that he is not targeting the nation, instead it is said about german army. the correct answer is the last one.

onto a large boat, and mark the water level that the boat sinks to. then, take the elephant out and put a bunch of marked weights onto the boat until it reaches the same water level. add up the masses of the weights to get the weight of the elephant.