Answer:
The first cause of eutrophication is the increase level of nutrients in water.
Explanation:
Then the other effect follow:
1.- Nutrients promote more phytoplanckton at the surface of the body water.
2.- phytoplancton die and settle down at the bottom.
3.- since in the bottom there is no much more sun, the algae at the bottom start to die, plus the phytoplacton that is falling, the sediment at the bottom start to grow.
4.- Since there is any living thing that can produces oxygen in water( it produces hypoxic conditions), other living things start to die.
Answer:
In a pedigree chart, the line which is horizontal shows the parents which mated and produced the children which are represented in the vertical lines below them.
A pedigree chart can be described as a diagram which illustrated the sequence of ancestors of an individual. Often, a pedigree chart is used to look for genetic traits or genetic disorders which might run in the family history. Pedigree charts are important for understanding the probabilities of the offsprings in which a genetic disorder might occur due to family history.
Answer:
C. they have allowed them to make more observations
Explanation:
