Choose all the answers that apply. Which of the following statements are true?
Science is based on opinion and subjective evidence.
Ethical scientists make unbiased conclusions.
A dishonest scientst has a lot of integrity.
Bias can be ruled out when similar results are obtained from repeated experiments.
Confirmation bias is the most common type of bias in science.

explanation:

let the different atoms be x and y. each with four protons and same mass will be represented as follows.

mass number is number of protons + number of neutrons.

            and  

since, it is given that one has a negative charge while the other is neutral. therefore, there will be increase in number of protons and the atom will be represented as follows.

according to periodic table, mass number of beryllium is 9 and it has atomic number 4 so, the atoms will be and .  

the protons and neutrons will be located inside the nucleus whereas the electrons will be revolving around the nucleus.  

56 moles of   lieter in chemistry

you did not give any options thus this is the best answer i can give to you with this little information you have given

> they are both natural and not man made

> they can be tracked and predicted by the right tools

-love shrooms

nuclear fission produces elements that are heavier than helium.

the elements that are used in nuclear fission and their products are much heavier than helium.