Nitrogen fixation is carried out primarily by

Which is an advantage of burning hazardous wastes?

A blastula is a. the innermost germ layer. b. a hollow ball of cells in an embryo. c. a digestive organ. d. a stage of development before a zygote.

Which property would have the greatest percentage of runoff? A. 75% of the area is vegetation and 25% is roofed or paved B. 25% of the area is vegetation and 75% is roofed or paved C. 50% of the area is vegetation and 50% is roofed or paved D.

During cell respiration the most atp are produced by the electron transprot chain true or false

What can directly lead to unconformity on an exposed rock? A. Uplift B. Uneven rock layer C. Climate change D. Erosion

What are some examples of comparative anatomy as evidence of evolution?

A group of students is counting the number of plastic bags placed in a landfill during a single day. what are the students doing? A. starting a promblem b. drawing a conclusion c. making a hypothesis d. collecting data by the way this is ecology!

I need some one to rewrite this paragraph (in the comments) to make better sense im currently writing another one atm and this one is due

What following organisms is considered to be an exception to the cell theory

What is the importance of alleles in humans?