Answer:
Light energy is a form of electromagnetic radiation. Light consists of photons, which are produced when an object's atoms heat up. Light travels in waves and is the only form of energy visible to the human eye.
Explanation:
Answer:
Ranking of given compounds in order of decreasing boiling point : KF > Formaldehyde > Carbon tertrafluoride
Explanation:
- KF is an ionic compound. Hence ionic force is between KF molecules.
- Formaldehyde is a polar compound due to presence of polar carbonyl group. Hence dipole-dipole force is present between formaldehyde molecules.
- Carbon tetrafluoride is a non-polar molecule due to it's symmetrical structure. hence only van der waal force exists between carbon tetrafluoride molecules.
- Order of intermolecular force (decreasing order): Ionic force > dipole-dipole force > van der waal force
- So ranking of given compounds in order of decreasing boiling point : KF > Formaldehyde > Carbon tertrafluoride
Reduction. B is the correct answer
Cells have lots of things to do. Some cells make the whole organism, so that one cell must do everything that organism needs to do to live. Other cells perform specific functions, so they must be designed to do that specific activity.
There you go :) just reword it and try make it into your own words like just switch some sentences around