All life-forms on earth are located in the

a. geosphere
b. biosphere
c. atmosphere
d. hydrosphere

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

How many neutrons does element x have if its atomic number is 29 and its mass number is 86?

30 points! explain the 3 differences in the chart below: flowers cones spores 1. 1. 1. 2. 2. 2. 3. 3. 3. i am not sure what the differences between them are, if someone could explain that would be