Answer: 2 covalent bonds
Explanation:
In H2O molecule, two water molecules are bonded by a Hydrogen bond but the bond between two H - O bonds within a water molecule are covalent. The dotted lines represent a hydrogen bond and the solid lines represent a covalent bond.
Answer:
A physical property is any property that is measurable, whose value describes a state of a physical system. The changes in the physical properties of a system can be used to describe its changes between momentary states. Physical properties are often referred to as observables. They are not modal properties
A chemical property is any of a material's properties that becomes evident during, or after, a chemical reaction; that is, any quality that can be established only by changing a substance's chemical identity
Explanation:
Answer:
A river basin or drainage basin is an area of land drained by a river and its tributaries. The edge of the drainage basin is known as the watershed. This can be compared to a sink or basin, which catches the water falling into it. The water travels towards the centre and leaves the sink through a plug hole.
Answer:
A population is divided.
Explanation:
https://quizlet.com/188846932/214-quiz-genetic-isolation-flash-cards/
Organism is the answer i hope