A weightless object will have no mass, regardless of whether it is in free fall or whether it's not in free fall. An object that is only weightless during free fall will, however, have mass when it's not in free fall.
Whales play an important role in the marine ecosystem where they help provide at least half of the oxygen you breathe, and they also improve climate change. Hope that helps.
The therapeutic effect of insulin in treating type 1 diabetes mellitus is based on which physiologic action
They both can expel water from the polymer network
