Answer:
Mass number
Explanation:
Isotopes have the same number of protons and electrons but different no. Of neutrons. As mass number = protons +neutrons.
Mass number should differ.
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Please mark as brainliest if possible
Answer:
option A
Explanation:
because plants give oxygen
I am more of a chemistry person, but my best answer is the double-helix structure. The DNA rotate around a central point allowing it to keep a constant distance
Breast milk provides antibodies to fight diseases.
Breast milk is produced by mammary glands in the breasts and its main function is feeding an infant. Breast milk is the primary source of nutrition for newborns. The composition of the milk includes immune-boosting white blood cells, as well as stem cells, which can help organs develop, antibodies, proteins, amino-acids, oligosaccharides, growth factors, hormones, enzymes, vitamins, minerals…