Why can a digital signal send a message over a very long distance more reliably than an analog signal?
A. The digital signal has waves that curve gradually and have many
values.
B. The digital signal loses quality when copied over and over.
C. The digital signal could easily lose information because of noise.
D. The digital signal is less vulnerable to noise and more likely to
arrive intact.

D The digital signal is less vulnerable to noise and more likely to arrive intact

Explanation: took the test got it right

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.