Answer:
b. cart total + 1
Explanation:
A. cart total=1 do increment the total with every 1 click here, it only 're-assigns cart total with value 1 for every click, hence it's always 1.
B. In every click, 1 is always added to the previous value of cart total, like addItemButton(cart total+1) or so.
C. This would have worked too if "cart total" and "cartTotal" where of same type.
D. cart total is just being initially defined here.
E. Likewise here, var shows that cart total has just only been declared.
The answer is the first one
Uses of Radio Waves : The prime purpose of radio is to convey information from one place to another through the intervening media (i.e., air, space, nonconducting materials) without wires. Besides being used for transmitting sound and television signals, radio is used for the transmission of data in coded form.
A float is a floating point number. This means that's the number has a decimal place. Numbers with or without decimal places can be stored in a float variable but more commonly numbers with decimal points.
The correct choices are 1 and 3.4