Because they have more underlying factors such as (straight) brown hair or (curly) blonde hair from different parents. A punnet square would be too big and confusing if we considered all the factors that came from the parents.
The answer is Permian-Triassic extinction.
The Permian-Triassic extinction was 252 million years ago. It is known as The Great Dying because about 95% of all species died out due to environmental changes (volcanic eruptions, dry climate, melting of ice sheets, etc). This is also the only event in which many insect species wiped out.
Answer:
Explanation:
Aquifers are groundwater reservoirs often tapped by wells. Water: Water is pretty darn important for living things.
Answer:
solute
Explanation:
The cell membrane with an integral molecule that consists of two similar parts with a specific recess. There are many particles in the extracellular fluid. One of these particles is labeled A.
Structure A is a solute
Solute refers to the component which is dissolved in the solvent.
The solvent is the substance in which the solute is dissolved.
Hydrogen because it only has one valence electron I believe.
