What is the role of producers in an ecosystem? Choose the TWO correct answers. A. They produce their own food. B. They consume what is produced by other organisms.

C. They are consumed as food by other organisms.

D. They consume other organisms to survive.

E. They break down organisms that have died.
PLEASE HELP ASAP

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

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

Find the mass, in grams, of 5.00*10^23 molecules of f2