Answer:
can u send the qsn 4rm the start so tt I can help
It’s c had this problem last week
Answer:b.CaCl2
Explanation:
A compound is a substance resulting when two or more elements are are chemically bonded together either ionically or covalently in a fixed ratio.
From the given options we can see that the only compound there is CaCl2 which is an ionic compound in the fixed ratio of one calcium ion to two chloride ions.
Other options , Cu,Na and Nd are merely pure substance---Elements
The ribosomes are the ones delivering the products of the endoplasmic reticulum