Which of the Following Is NOT an Agent of Nitrogen

question 26

Multiple Choice

Which of the following is NOT an agent of nitrogen fixation?

• A) mycorrhizal fungi
• B) cyanobacteria (blue-green algae)
• C) bacteria associated with legume roots
• D) lightning
• E) actinomycete bacteria associated with alder roots

Recognize conditions and diseases related to the cardiovascular system and their impact on health.

Understand the factors influencing blood volume and composition.

Understand the structure and function of the lymphatic system.

Comprehend the roles of various blood vessels and their characteristics in the circulatory system.

---

Definitions:

Ring Gear

A large gear that interacts with the starter motor's pinion gear to start an engine or as part of the differential in vehicles to power the wheels.

Two-speed Axles

Axle configurations allowing a vehicle to switch between two gear ratios, optimizing performance and fuel efficiency.

Double-reduction

A gear arrangement in transmissions that uses two sets of gears to significantly reduce the input speed, providing increased torque.

Single-reduction

A gear configuration where the reduction of speed and increase in torque are achieved through a single stage of gearing.