Answer:
ammonia
Explanation:
Nitrogen fertilizers contain N in the forms of ammonium, nitrate and urea. Upon application to the soil, urea-N rapidly hydrolyzes to ammonia, thus it shares similar characteristics as ammonia-based N fertilizers.
Answer:
it should be B. earths core is composed of iron and nickel, if not let me know.
13 and Meiosis because each chromosome has its own number and it's divided up.
Hope I helped?
Answer:
It has 140 neutrons because Mass number= No of protons + no of neutrons
