Kiley has a battery, wire, and an iron nail.

The ph of carrots are 5.0 how it is classified a.acidic b.basic c.indicator d.neutral

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?