Pls hurry

which of the following is true about nh4+?

it is a polymatomic cation because it has more than one atom and a negative charge
it is a polymatomic anion because it has more than one atom and a negative charge

it is a polymatomic anion because it has more than one atom and a positive charge

it is a polymatomic cation because it has more than one atom and a positive charge

Plants are used for so many things. in your house alone, you can probably look around you and see where plants have been used. for this project, you will identify various uses of plants in your home. directions make a list of objects, products, and any other items around your house where plants were involved in the production of the item. you should have a list of at least twenty items. then respond to the following questions: note: your list of objects and the answers following should be at least 200 words in length. what if plants no longer existed on earth? how would your life be different?

Akrabby blind whale has married pearl who has normal vision. oneof their two sons is also colorblind. what arr the genotypes of the parents?

Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe