Which of these processes returns nitrogen to the atmosphere?
a. respiration
b. denitrific...
Answers: 3
Biology, 21.06.2019 21:00
Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis
Answers: 1
Biology, 22.06.2019 01:00
Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere
Answers: 1
Biology, 22.06.2019 03:30
Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis
Answers: 1
Biology, 22.06.2019 05:40
Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.
Answers: 1
Mathematics, 09.04.2020 18:12
Social Studies, 09.04.2020 18:13
Mathematics, 09.04.2020 18:13
Mathematics, 09.04.2020 18:13
Mathematics, 09.04.2020 18:13
Mathematics, 09.04.2020 18:13
Mathematics, 09.04.2020 18:13
Advanced Placement (AP), 09.04.2020 18:13