Which organisms capture atmospheric nitrogen for the process of nitrogen fixation?
question 10 options:

animals

bacteria

fungi

plants

When does dna replication(make a copy of itself)?

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.