If one has 24 kg of Polonium and it undergoes two half-lives, how much do you have left?

A) 12 kg

B) 3 kg

C) 6 kg

D) 2 kg

What's the same about biotic and abiotic factors

The Universe is a single system that consists of everything that physically exists. The basic principles of the Universe, such as the conservation of mass, the conservation of energy, and the laws of gravity

What is the full definition of: mitochondria

Which microscope did Robert Hooke use to study tree bark? o electron microscope O compound light microscope O simple microscope O scanninu microscope hh H

How does having a large sweet fruit benefit a plant?

Which part of the human body controls the nervous system?

Put the following steps of bacterial specimen preparation and staining in order: a. fixation b. application of staining dyes c. smear preparation

Which division of the diencephalon acts as an information filter for sensory information that is forwarded to the cerebrum?

What is a major distinction between the hydrogen chemolithotrophs and many sulfur chemolithotrophs and nitrfying bacteria?

4. During what phase do centrioles begin to migrate to opposite poles of the cell?