There are two main theories for the lack of organic material in desert soils. Firstly, the organic life in most deserts is so sparse that it cannot produce much organic matter. Secondly when things do die and decompose in the desert the heat and sunlight often bleach nutrients out of the matter before it is decomposes enough to be absorbed into soil
the answer is A. covalent bonds
Answer:
25% were black
50% were blue
and 25% were white
Explanation:
White Rooster aa X Black Hen AA
F1: Aa Blue
then Aa x Aa
Outcomes will be:
25% were black (AA)
50% were blue (Aa)
and 25% were white (aa)
I think that the tectonic plates would shift towards each other. This creates what is known as a convergent boundary. If the plates moved away, then this would be known as a divergent boundary. If it is wrong, I am terribly sorry. I did this question on a quiz before, and I think I got it right. It was in 8th grade though, so... two years ago.