It’s believed to be between 1970-1971, explanation: it is most estimated around 1971, so I would go with 1970.
Answer:
Ugliest:Pantone 448 C Prettiest:YInMn blue
Explanation:
no need
Answer:
High relief coins are more three-dimensional than a standard coin. These coins cannot be easily stacked because their images extend above the outer edge
Explanation:
I would help but all I see is this
Answer:
B.
Explanation:
Frequency is the number of occurrences of a repeating event per unit of time. It is also referred to as temporal frequency, which emphasizes the contrast to spatial frequency and angular frequency. Frequency is measured in hertz (Hz) which is equal to one event per second.