Isotopes of an element are defined has that has same atomic number but different mass number mean they have different number of neutrons
so the statement that best describe a similarity is
<span> same atomic number; different mass number
</span>so correct option is C
hope it helps
To all parts but particularly u can say phloem sap
Answer:
The molecules in a solid are more closely packed than those in a gas. Gas molecules are VERY spread apart, which is why we cannot see them.
Explanation:
The answers that best fit the blanks are MATERNAL BLOOD ANALYSIS and ULTRASOUND, respectively. In prenatal diagnosis, there are certain methods that should not be done routinely for the reason that these may injure the fetus, except for routine ultrasound, which checks the status of the fetus, and maternal blood analysis, which assesses the current status of the mother.
I think it’s C but I could be wrong
