What is the combined delta of a short straddle position at its initiation? Option: "Negative", "Zero", "It depends on the implied volatility", "Positive"

What is the combined delta of a short straddle position at its initiation?

What does a delta of -1 for a put option signify?

What does a negative Delta value indicate for a put option?

What is a delta-neutral position?

What is the typical range for the Delta of a call option?

What market conditions are generally favorable for implementing a short straddle strategy?