Why are nitrogen-fixing bacteria so important to other organisms?

How many nucleosome u imagine are present in mammalian cellAnd also if the length of E coli dna is 1.36mm calculate no. of base pairs?

The antepartum nurse is caring for a patient with a body mass index (bmi) of 30 who is scheduled for a planned cesarean delivery.

Justin is walking around an area that has few trees and many tall grasses. In which biome is Justin most likely walking? deciduous forest grassland desert tropical rain forest

In 30 seconds and with a force of 750 N, a body builder lifts some heavy weights above the ground by 2 meters. How much power does the body builder have?

What would happen if antibiotics from a neighboring cattle ranch were carried by runoff into a farm that grows produce year round?

Why might a water table drop

How did the 1898 discovery of blood types affect society?

Which of the following is a feeding source for fens? aquifers dexfoliants exfoliants nitrates

What system includes oceans, lakes, rivers, and groundwater? a. geosphere b. hydrosphere c. atmosphere d. biosphere

Fungal spores a. are only asexually produced. b. cannot be seen in a light microscope. c. are used to identify fungi. d. are produced by molds but not by yeasts. e. are only produced under harmful environmental conditions