Nitrogen makes up about 78% of the Earth's atmosphere, making it the primary gas.

The primary goal of a government budget is to allocate resources effectively to meet the needs of the economy and its citizens.

The primary goal of conservation biology is to increase and protect biodiversity.

The primary goal of economic policy is to promote growth, which leads to improved living standards and economic stability.

The primary goal of effective resource allocation is to maximize output and efficiency, making option 1 the correct choice.

The primary goal of gene therapy is to replace defective genes in order to treat or prevent diseases.

The primary goal of monetary policy is to control inflation by managing the money supply and interest rates.

The primary goal of resource allocation is to maximize the efficiency of resource use, thus option 1 is correct.

The primary goal of resource allocation in project management is to maximize the efficiency and effectiveness of resource use, making option 2 correct.

The primary goal of sustainable development is to meet the needs of the present without compromising the ability of future generations to meet their own needs.

The primary goal of synthetic biology is to create new biological parts and systems, enabling the design and construction of new biological functions.

Carbon Dioxide (CO2) is the primary greenhouse gas emitted through human activities, particularly from the burning of fossil fuels.

London dispersion forces are the primary intermolecular forces in gases, as they are weak and allow for greater movement.

Water molecules are held together primarily by hydrogen bonds.

Liquids primarily exhibit dipole-dipole interactions due to the presence of polar molecules.

Water exhibits hydrogen bonding due to the presence of O-H bonds.

Activated charcoal primarily adsorbs substances through physical adsorption due to its high surface area and porous structure.

Physisorption occurs primarily due to weak Van der Waals forces.

Current flow in semiconductors occurs due to the movement of both electrons and holes.

Charles Darwin proposed the mechanism of evolution known as Natural Selection, which explains how species adapt and evolve over time based on environmental pressures.

In a vacuum, heat transfer occurs primarily through radiation, as there are no particles to conduct or convect heat.

In liquids and gases, convection is the primary mechanism of heat transfer, as it involves the movement of fluid.

In liquids, convection is the primary mechanism of heat transfer, although conduction and radiation can also occur.

Promoting public transportation is a primary method for reducing carbon emissions in urban areas.

Biological treatment is the primary method for treating wastewater, utilizing microorganisms to break down organic matter.

The primary method of heat transfer from the Sun to the Earth is radiation, as it travels through the vacuum of space.

Switching to electric vehicles is a primary method of reducing carbon emissions in transportation.

Bacteria primarily reproduce asexually through binary fission, where a single cell divides into two identical cells.

Biological treatment is a common method for treating wastewater, utilizing microorganisms to break down organic matter.

Seismic waves generated by earthquakes are the primary method used to study the Earth's interior structure.