Question

Nitrogen-fixing bacteria change a nitrogen molecule into a form of nitrogen that plants can use. The nitrogen enters the plant through its root system and is used to build new plant tissue. What will most likely happen to the nitrogen next?
The nitrogen in the plant's tissue will break down into another kind of element through nuclear fission
The nitrogen will be converted into a sugar molecule through the process of photosynthesis.
The plant will die and the nitrogen will no longer exist.
An animal will eat the plant and the nitrogen will be used to help build part of the animal's body.

Answer 1

Please help giving medals

Answer 2

The last choice.

Answer 3

thanks can you help with another

Answer 4

Metal Density in g/cm3
aluminum 2.70
zinc 7.14
iron 7.87
copper 8.96
silver 10.49
lead 11.34
mercury 13.55
gold 19.32


4. What is the identity of a sample that has a volume of 92.5 cm3 and a mass of 249.8 g?
zinc
iron
gold
aluminum

Answer 5

@ghuczek

Answer 6

Use the formula:\[\color{green}{\rho = {m \over V}}\]
Substitute in the vales and check your answer against the densities given in the table to determine which substance it is.

Answer 7

can you give me a anser please
im timed i hvave 10 mins

Answer 8

ughhhh helloooo

Answer 9

OH sorry ... I didn't know you were writing a test. I can help you understand the ideas, but I can not give you test answers. That doesn't help you learn how to answer the question.

Answer 10

its ifne :[

Answer 11

fine* and its not a test its homework but i have to be done in a certain time because im gong to the hospital to se my mom

Answer 12

and yes it will help cos i will know the anscer and i can study it. please :[

Answer 13

im just gonna freaking guess man and prob fail bye thanks