Indiscriminate diagnostic practices using X-rays should be avoided. Give one reason.

Indiscriminate use of X-rays for diagnoses should be avoided. Give reasons.

Give one use of freon.

Alloys are used in electrical heating devices rather than pure metals. Give one reason.

Plasmids are suitable for use as vehicle DNA. Give reasons.

Graphite is commonly used as an anode but not diamond. Give reason.

Which constituent radiation of the electromagnetic spectrum is used: to photograph internal parts of a human body? Give one reason for your answer