The magnitude and impacts of desertification vary greatly from place to place, and change over time.

The amounts vary from a few United States dollars to over 1,000 worth of shillings for each occasion.

An IEA survey shows that tariff rates charged for renewable energy equipment in over 100 countries vary widely.

Explanations vary.

The point is that economic behavior is complex and can vary among individuals, over time, between goods, and across cultures.

Unlike capital flows, which vary according to the economic environment, remittances tend to stay stable and are less volatile over time.

National regulators are exploring ways to vary ratio requirements over the business cycle, and have started subjecting banks to regular stress tests.

For most stars the convective zones will also vary over time as the star ages and the constitution of the interior is modified.

Thus, the 243 year cycle is relatively stable, but the number of transits and their timing within the cycle will vary over time.

Criteria for brain death vary.

These balls vary in size.

Responsibilities vary in different companies.

Car sizes vary from region to region in Europe, large family cars are rarely over 4700 mm long, while in North America, Middle East and Australasia they may be well over 4800 mm.

But local tastes nonetheless vary widely.

Ingredients and dishes vary by province.

These restrictions may vary by location.

The capacities of these ovens vary.

Their values vary from gas to gas.

The sources of light used may vary.

Levels of compliance continue to vary, however.

Causes of crashes vary according to local conditions.

The data vary considerably, depending on the source.

However, the reasons for this vary a lot.

They can be quite large, and lengths over a meter and weights up to 100 kg are not uncommon , though obviously in such a large group, species vary considerably.

Their labor market, social welfare, and competition policies vary.

Admittedly, Arab countries problems vary by degree and type.

The necessary balance may vary according to local conditions.

However, a payload may vary depending on military requirements.

They vary greatly in geographical distribution and demographic significance

As a result, they tend to vary between countries.

The fees vary for each of the managers contracted.

Assets grow with contributions and vary with investment performance.

He states that welfare will vary over a continuum from very good to very poor and studies of welfare will be most effective if a wide range of measures is used.

Even so, income distributions vary widely among the developed countries.

Definitions of the poverty line do vary considerably among nations.

Standards for electronic invoicing vary widely from country to country.

Ovens also vary in the way that they are controlled.

Canada Hunting laws and definitions vary by province in Canada.

Coverage rates, content and strategies for reaching families vary widely.

The nature and scale of threats inherent in hazards vary.

Monitoring and assessment arrangements vary from one country to another.

These global trends vary widely, however, between countries and regions.

This ratio determines whether or not the temperatures inside a body will vary significantly in space, while the body heats or cools over time, from a thermal gradient applied to its surface.

But, beyond this overwhelming opposition to austerity, countries experiences vary widely.

Tariff rates usually vary according to the type of goods imported.