Mass number = protons + neutrons
If you have the # of protons and the mass #, subtract the number of protons from the mass number to get the number of neutrons.
If you have the number of neutrons and the mass number, subtract the number of neutrons from the mass number to get the number of protons.
Answer:
cardiovascular
Explanation:
Since there is no option of endocrine system, I would say cardiovascular because it involves the bloodstream
The digestive system contains all four major tissue types, epithelial<span>, connective, muscle and nervous. e</span>pithelial<span> tissue lines the entire length the digestive tract. it is made up of many different types of cells, including goblet cells that secrete mucus.</span>
<span>a)Stem cells must always be provided by a donor who is financially compensated.</span>
Answer:
thorntonalyssa017
02/17/2021
Mathematics
High School
answered
Step-by-step explanation:
x + 779 = 900
x = 900- 779
x = 121
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Explanation:
