subject verb agreement

'Is' is the natural response in both cases.

Obtaining and wearing eyeglasses is easy.
Obtaining and wearing eyeglasses are easy things.

Cleaning and disinfecting on contact lenses is necessary to prevent infection.
Cleaning and disinfecting contact lenses are necessities.

Thank you for the quick responses. It seems to me that "obtaining"and "wearing" are two separate actions. or are they considered as a sigle action in the first sentence? ( I understand why the second sentences take "are".) Please help me.

Anonymous. It seems to me that "obtaining"and "wearing" are two separate actions. or are they considered as a sigle action in the first sentence?

That is why I said 'is' is the natural response (considering the unnatural content of the sentence—no one would add 'wearing', which would be assumed).

Thank you, Mister Micawber.
I wanted to emphasize two actions so that I can contrast the differences between eyeglasses use and contact lenses use, but I think I need more context in order to do it. Thank you.

It seems to me it would always be:

---ing and ---ing something IS/WAS/{singular verb} {adjective / singular noun}.

where "something" is the direct object of both verbs.

Locating and reviewing new restaurants is the job of our food critic.
Torturing and killing prisoners of war is contrary to the Geneva Conventions.
With nine kids, washing and dry