Punnet squares are a useful tool for predicting what the offspring will look like when mating plants or animals. Reginald Crundall Punnett, a mathematician, came up with these in 1905, long after Mendel's experiments. Let's take a look at how Punnet squares work using the yellow and green peas example from im not sure about the tree by three thing but maybe this will help :)
Answer:
They form crystals.
They have higher enthalpies of fusion and vaporization than molecular compounds.
They are hard.
They are brittle.
Explanation:
Answer:
The answer is option A.
A bacterium is a living cell, but a virus is not.
Hope this helps you
ATP is produced when The energy from photons hitting photo system.
Answer:
an herbivore is the right answer because he only eats grass (plants)
