What force prevents a machine's actual mechanical advantage from reaching its ideal mechanical advantage?

A work

B friction

C gravity

D heat

What makes sexually reproduced offspring genetically different from their parents?

Which characteristic is most likely to be found in a mushroom but not in Thermus aquaticus shown above? cell wall eukaryotic unicellular prokaryotic

The Cambrian explosion resulted in the evolution of more than 17,000 species of an animal known as the trilobite. The shear number of trilobite fossils found in modern times suggests that trilobites were very abundant, perhaps the rulers of the seas.

Why is sexual reproduction more advantageous than cloning

Which is an endocrine function?

What is the resistance of a 20-cm-long column of blood in this artery? assume that resistivity of blood is equal to 1.6 ωm.

Who was the scientist who discovered the rule of base pairing

characteristics of replication, transcription, translation, and mutation. which of these processes takes place in the nucleus of the cell? which can take place in both the nucleus and cytoplasm? how do you know?

The energy to power passive transport comes from:

By which process does water vapor become a cloud? A) evaporation B) transpiration C) condensation D) precipitation