Consider the following statements about PAC:

1. Ministers can be members if they are not in charge of financial matters.
2. PAC was first established in 1950.
3. It scrutinizes government spending for compliance with grants.

Which of these is/are correct?

Consider the following statements:

1. The disease shortens life expectancy to about 40 years.
2. It is inherited when both parents carry the sickle cell trait.
3. It can be treated with antiviral drugs.

How many of these statements are correct?

Consider the following statements:

1. Ice melt threatens species like polar bears and penguins.
2. It alters ocean salinity and temperature, affecting marine biodiversity.
3. Ocean acidification benefits shell-forming organisms.

How many of these statements are incorrect?

Consider the following statements about helium in rockets:

1. It pressurizes fuel tanks because it remains a gas at low temperatures.
2. It is highly reactive and improves fuel combustion.
3. Cheaper alternatives like argon and nitrogen are preferred over helium.

How many of these statements are correct?

What is a defining characteristic of oxo-degradable plastics?