Abond that is formed due to one atom donating an electron to another atom is called a
a. hydrogen bond
b. lonic bond
c. covalent bond
d. polar bond

option B

Explanation:

The correct answer is option B.

The bond formed by donating electron is called Ionic bond.Ex LiF,NaCl

Bond formed by mutual sharing of electron between two atoms is know as Covalent bond. Ex CO, IBr

hydrogen bond is the bond formed between the hydrogen and highly electro negative compound. Ex: H₂O, NH₃

Polar bond is a covalent bond which is between two atoms where the electrons are unequally distributed.

answer: tributaries flow into rivers.

wetland is a biome that develops when the water gets accumulated in a land exhibiting a huge depression. these form either seasonally or permanently. the water in the wetland comes from rivers, lakes, ocean, flood, rain or other sources. the wetlands includes mangroves, marshes and peatland.

tributaries flow into the rivers develops a wetland because such water will get deposited in the depression and will restrict the original flow of tributary water. hence, water with low drainage current combines with the river water.

true is the answer : )