Mischka is an amateur astronomer. Using her telescope, she looks out past the Earth’s atmosphere and observes an object with a long, bright, cloud-like tail behind it. What is Mischka observing

Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes

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.

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity