Adichotomous key is a step-by-step way to identify an organism using a series of paired descriptions. true or false

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

The picture below shows two galaxies. spiral galaxy and elliptical galaxy which of these statements best describes a similarity between the two galaxies? (2 points) both have elongated centers. both have centers shaped like bars. both change their shape from time to time. both are held together by gravitational forces.