Me asap!! which example describes a population? a) the fly the spider eats in the forest b) a spider in the forest c) all of the oak trees that live in a forest

Two things that biomedical has invented or innvated

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3