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:
c
Explanation:
Electrical power is the correct answer
Answer:
The air would be too thin for most helicopters to create enough lift to remain airborne. And if somehow a helicopter did make it up there, landing wouldnt be easy.
Answer:
We know that when substance donate the electron then it from positive charge but when substance take electron then it form negative charge .
The most common ions in blood plasma
1.Cation -Sodium(Na+)
2.Anion -Chloride(Cl-)
The most common ions interstitial fluid
1.Cation -Potassium
2.Anion - Chloride
Proteins.......................
