Answer:
Hydroxyl
Explanation:
Hydroxyl groups are simple structures consisting of an oxygen atom with two lone pairs bonded to a hydrogen atom.
A hydroxy or hydroxyl group is a functional group with the chemical formula -OH and composed of one oxygen atom covalently bonded to one hydrogen atom.
Using these given definitions, a hydrogen bond is labeled with one linkage, while a covalent bond is with two links to the Carbon Atom.
See attached image for a similar diagram for proof.
Answer - Many Types Such as
Golgi Body
Mitochondria
Nucleus
Chloroplast
Endoplasmic Reticulum
Reasoning - These are specialize Organelle which function in each part of doing their duty require the layers to keep it separate in maintaining certain materials they receive within the cell.
Is so much but I’m answering in my house and i help you ok one is A
Answer:2. Flooding and 4 run off
Explanation:Watershed areas are prone to flooding. They also cause a lot of runoff
Answer:
Homologous structures provide evidence for common ancestry
