it’s c, i’m trying to answer my first question
Answer: The energy in its chemical bonds must be converted to thermal energy
Explanation: when fuel is burnt, the energy used to bind the molecules chemically are liberated as heat.
Answer:
C
Explanation:
D in my opinion wouldn't be correct because a vaccine is for if you come in contact with the sickness you are more protected and helps build immunity. So healthy people get them to try and build immunity against said vaccine. Like if you have the flu, your body is fighting. In the Flu vaccine parts of the flu are in the vaccine to help your body learn to become immune. So option C.
Sorry if this is confusing, hope it helps!
The control or its also sometimes called the baseline data
3.d. 4.b. 5.Repeatable. describes evidence that can be seen independently by others if they repeat the same experiment or observation in the same way. ... Scientific evidence is so important in science, there are careful rules defining what counts as scientific evidence. Example: tables, graphs, words, pictures, and sound recordings. 6.b.
idk but hope it helps :)