How is the nitrogen cycle important to humans? a. it produces free nitrogen that humans can breathe. b. it converts nitrogen into a form that humans can obtain by eating other organisms. c. it produces nitrogen compounds that humans can breathe. d. it converts nitrogen into a form that humans can obtain by absorbing it through their skin.
Answers: 2
Biology, 21.06.2019 19:00
One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.
Answers: 3
Biology, 22.06.2019 23:00
The image shows a sandstone formation with visible bands of different colors. what do the bands indicate about how this sedimentary rock was formed? choose two answers. a). the rock was made from more than one material. b). water was absent during the compaction and cementation process. c). sediments and other matter were deposited in layers before lithification. d). the rock was stretched horizontally by the pressure from surrounding rocks. e). layers of hot liquid in the rocks cooled and solidified at different tempatures
Answers: 3
Biology, 23.06.2019 05:00
The boiling point of a substance in city a is found to be 145 degrees celcius. the boiling point of the same substance in city b is 141 degrees celcius. which city, a or b, is at a higher elevation? how do you know? asap
Answers: 1
How is the nitrogen cycle important to humans? a. it produces free nitrogen that humans can breathe...
English, 12.11.2020 14:00
Mathematics, 12.11.2020 14:00
Mathematics, 12.11.2020 14:00
Mathematics, 12.11.2020 14:00
English, 12.11.2020 14:00
Physics, 12.11.2020 14:00
Business, 12.11.2020 14:00
Biology, 12.11.2020 14:00
Mathematics, 12.11.2020 14:00