Need help please. What causes a star to give off light and heat?
a) The star reflects light from planets.
b) The star reflects light from galaxies.
c) Hydrogen atoms in the star’s core combine to form oxygen.
d) Hydrogen atoms in the star’s core combine to form helium.
Note: I think the answer is d)...any ideaThis is the test.

Click on this article and use it to answer the questions below. article on china and controlling the media 1. according to the article, the chinese government has tried to control its people in all of the following ways except: question 1 options: create and spread propaganda in the mediacensorship of the mediaallowing people to create their own social mediadeleting people's social media posts without their permission

Aresearcher conducts a focus group to learn about attitudes towards hygiene and disease prevention. two weeks after the focus group, the researcher learns one of the subjects had a heart attack at home and was hospitalized, but made a full recovery. based on dhs regulations, the researcher report this event to the irb? no, this does not need to be reported since the subject had the heart attack when they were home, not at the focus group. no, this does not need to be reported since it is unrelated to participation in the study. no, this does not need to be reported because two weeks have passed. no, this does not need to be reported since the subject recovered.

Acriterion for waiving informed consent is that, when appropriate, subjects are provided additional pertinent information after the study. in which of the following studies would it not be appropriate to provide subjects with information about missing elements of consent: a study in which researchers told students that they would be given a quiz after reading some study materials when the researchers did not intend to use a quiz, but were attempting to focus subjects’ attention on the material. a study in which subjects were told that they performed in the third quartile on an anagram task when in reality students were randomly assigned scores that were not related to their actual performance. a study in which subjects were assigned to study activities based on an undesirable or unflattering physical characteristic as assessed by members of the research team. a study involving decision-making games in which subjects were led to believe that they were interacting with another student in another room, but were actually interacting with a computer programmed to provide consistent responses to all subjects.