What are the constants (controlled variables)? Select all that apply. * 2
Number of daphnia
Heart rate of daphnia
Type of petri dish
Different concentrations of caffeine solution
Amount of liquid
✓ Type of microscope
Species of daphnia

the framers of the constitution insisted that federal judges be nominated instead of elected due to their desire to have judges above the shifting whims of the masses.

the hope, whether achieved or not, was that federal judges would only be beholden to the law and that by not having judges be elected, they would be protected if that law dictated an outcome that ran counter to popular opinion.

not sure if this is what you'r looking for eubacteria and archaebacteria

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.