37. Which of the following is a benefit of greenhouse gases? -providing nutrients for the planet’s plants and animals
-decreasing the planet’s average surface temperature
-helping support deforestation to expand living areas
-allowing the planet to maintain the warmth necessary to sustain life

Which identifies the main purpose of biological taxonomy?

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.

Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.