What two factors affect density?

Density-dependent limiting factors include competition, predation, herbivory, parasitism and disease, and stress from overcrowding.

intensifying screens - create inherently higher contrast images. film density - excessive or inadequate density decreases contrast. D log E curve - as slope of curve steepens , contrast increases.More items...

Several factors affect the rate of diffusion of a solute including the mass of the solute, the temperature of the environment, the solvent density, and the distance traveled.

Density and temperature As the temperature increases, most materials expand or increase their volume. This results in a decrease in density. Likewise, when the temperature goes down, the density usually becomes greater.

Factors causing chemical shifts Important factors influencing chemical shift are electron density, electronegativity of neighboring groups and anisotropic induced magnetic field effects. Electron density shields a nucleus from the external field.

The shape, weight, volume, density, porosity and water displacement also factor in to its floating ability. A steel boat, for example, will float while a steel bar will sink because of the density compared to the amount of water and also because of the form/shape the object is in.

In other words, the size or amount of a material/substance does not affect its density. 3. Does temperature affect density?

Four Factors That Create Ocean Currents

• Wind. Wind is the single biggest factor in the creation of surface currents.
• Water Density. Another major factor in the creation of currents is water density, caused by the amount of salt in a body of water, and its temperature.
• Ocean Bottom Topography.
• Coriolis Effect.

In ionic bonds, charge and distance are the two factors that affect the strength of the bond. The more electrons transferred, the stronger the bond.

Pressure and temperature are the two factors that have the greatest affect on density. Mass and volume are the variables we measure to calculate density. Size and shape have no affect on density. Objects that are the same substance always have the same density, regardless of size and shape.

The two main flow factors in sediment transport are the settling rate and the boundary layer shear stress 27.

Inherent factors affecting EC include soil minerals, climate, and soil texture. Other factors include bulk density, soil structure, water potential, timing of measurement, soil aggregation, and electrolytes in soil water.

An organism's phenotype results from two basic factors: the expression of an organism's genetic code, or its genotype, and the influence of environmental factors. Both factors may interact, further affecting phenotype.

Changes in gene expression can be induced by external factors like environment (diet, smoking), internal signals such as stress (hypoxia, nutrient deprivation), inflammation and tissue repair, and even genetic material such as non-coding RNAs.

Internal factors that can affect gene expression are hormones, metabolic products and gender.

Factors that affect fluid flowThe viscosity, density, and velocity of the fluid.Changes in the fluid temperature will change the viscosity & density of the fluid.The length, inner diameter, and in the case of turbulent flow, the internal roughness of the pipe.More items...

Answer: There are two main factors which affect the density of water, namely, Temperature and Purity.

The two main factors that affect viscosity are temperature and silica content.

Physical factors that affect population density include water supply, climate, relief (shape of the land), vegetation, soils and availability of natural resources and energy.

There are two direct factors that affect solubility: temperature and pressure. Temperature affects the solubility of both solids and gases, but pressure only affects the solubility of gases.

There are three important factors that contribute to high density altitude:Altitude. The higher the altitude, the less dense the air. ... Temperature. The warmer the air, the less dense it is. ... Humidity. ... 80 oF.90 oF.100 oF.110 oF.120 oF.More items...

Factors Affecting Radiographic Density. Greater radiographic density may be produced by increasing (1) the total number of x-rays that reach the film, (2) the penetrating power of the x-rays, (3) the developing time, or (4) the temperature of the developer.

Solubility is the maximum amount of a substance that will dissolve in a given amount of solvent at a specific temperature. There are two direct factors that affect solubility: temperature and pressure.

Two things affect density: 1) thermal energy and 2) pressure. A substance can change density by increasing or decreasing thermal energy and/or by increasing or decreasing pressure. Adding pressure causes a substance's particles to squeeze together or become more compact, which increases it's density.

Density-dependant factors may influence the size of the population by changes in reproduction or survival. ... This in turn led to a decrease in per capita birth rate, a limitation in population growth as a function of population density. Density dependant factors may also affect population mortality and migration.

The mass difference between two objects causes heat transfer. The density difference between two objects causes heat transfer. The temperature difference between two systems causes heat transfer. The pressure difference between two objects causes heat transfer.

Density dependent factors cause variable changes in the population as its density changes. When the population is small, these factors typically favor increased birth rates and lower death rates, allowing the population to expand.

Temperature Affects Density When the same amount of water is heated or cooled, its density changes. ... When comparing two samples of water with the same salinity, or mass, the water sample with the higher temperature will have a greater volume, and it will therefore be less dense.

Density: Why It Matters Pressure, temperature and humidity all affect air density. And you can think of air density as the mass of air molecules in a given volume.

Factors Affecting The Speed of SoundThe Density of Medium: Sound requires a medium to travel. The density of the medium is among the factors which affect the speed of sound. ... The Temperature of The Medium: Higher the temperature, the higher is the speed of sound in the medium.

Key Concepts: There are two main factors that make ocean water more or less dense: temperature and salinity. Cold, salty water is denser than warm, fresher water and will sink below the less dense layer. Density is defined as the measure of a material's mass (e.g. grams) divided by its volume (e.g. milliliters).

In air: Wind can increase or decrease the speed, and can even push sound waves sideways. Air density affects it. Temperature, pressure, humidity and gas mixture can each affect the density. In liquid: The speed of sound is affected by density and viscosity.

Factors that affect urine pH include vomiting, diarrhea, lung disease, hormones, kidney function, and urinary tract infection..

Answer and Explanation: The two factors that affect the boiling point of water are the pressure the water is under and whether or not there are impurities or particles in the...

Environmental factors (such as light, moisture, nutrients, density, and temperature) and plant physiological factors (such as carbohydrate reserves, hormone levels, frost hardiness, and dormancy) interact to shape growth and survival of coniferous seedlings in nursery fields and after outplanting.

The strength of the force of friction depends on two factors; the type of surfaces involves and how hard the surfaces push together, What is one way you could reduce the friction between two surfaces? Ball bearing are one way of reducing friction between two surfaces.

1. Explain that there are two factors that affect how much kinetic energy a moving object will have: mass and speed.

Factors that affect density altitude are temperature, elevation, humidity, dewpoint and pressure. what will result in high density altitude: high humidity, high temperature, low pressure and high elevation from sea level all contribute to high density altitude. As elevation increases, density altitude also increases.

Q16) State two factors which directly affect the force of friction . Solution : The smoothness of the surface. Mass of the body.

There are four factors affecting the origin and flow of Ocean Currents i.e. Rotation and gravitational force of the Earth; Oceanic factors (temperature, salinity, density, pressure gradient and melting of ice); atmospheric factors (atmospheric pressure, winds, rainfall, evaporation and insolation); factors that ...

What are the two main factors that affect absorption of a mineral? The physiological state of the body (i.e., is the body in a defi- cient or an overload state?) and the bioavailability of the mineral affect its absorption. 3.

What two factors affect your personal appearance? Your health/physical body, and your clothing.

Fluid flow in pipes is affected by many different factors:The viscosity, density, and velocity of the fluid.Changes in the fluid temperature will change the viscosity & density of the fluid.The length, inner diameter, and in the case of turbulent flow, the internal roughness of the pipe.More items...

Focus on basic management factors improves flock productionHigh stocking density and disease. ... High stocking density and carcass quality. ... High stocking density and parasites. ... Alleviate the effects of high stocking density. ... Heating. ... Figure 1 – A simplified solar heating system. ... Lighting. ... Feeds and feeding.More items...•Mar 20, 2017

Large-scale circulation in Earth's atmosphere below the tropopause is caused by the combination of two factors: uneven heating from the sun and Earth's rotation.

SummaryThe factors that affect buoyancy are… the density of the fluid. the volume of the fluid displaced. the local acceleration due to gravity.The buoyant force is not affected by… the mass of the immersed object. the density of the immersed object.

The moment of inertia depends on the following factors, The density of the material. Shape and size of the body. Axis of rotation (distribution of mass relative to the axis)

In other words, the size or amount of a material/substance does not affect its density.

3.

Does temperature affect density?.

The density of an object or quantity of matter is its mass divided by its volume. This is usually measured under standard conditions for temperature and pressure: 0°C and 1 atmosphere of pressure. One factor affecting the density of a material is how concentrated the atoms are in a given volume.

Answer: There are two main factors which affect the density of water, namely, Temperature and Purity.