What was the first thing biden did when he was president

Joe Biden signed 15 executive orders within his first hour of becoming the U.S president.

Explanation: do you mean "when he became" president not "when he was" president because he is still president.

hello,

question- which is one way that muslims scholars contributed to the scientific recolution?

answer- well you see in the religion islam the religion muslims practice there was the prophet muahmmed peace be upon him who did good things such as sit in a sertian posotion to use the toilet which then the scientist of this generation later found that it was good for you there are many more things like this.

important- if my answer was enough for you to understand mark me as brainliest you and have the best day ever!

answer; you are making a normative argument and i am making a positive argument;