can someone please tell me whether all the subtopics under the topic SPHERICAL MIRRORS in ray optics (physics class 12) are completely deleted? That includes the image formation stuff, the mirror formula derivation and all, magnification, right?

The us government wants to allocate billions of dollars in the next 10 years to assure our future energy security. the funds will be spread among a variety of possible energy resources. where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas exploration, or a combination of sources? are there other efforts that should be explored? support your position with cited information for both questions.

What occurs during a combustion reaction

Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential