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Dry mass changes due to variations in the amount of organic matter, water content, and nutrient availability in an organism or ecosystem. As plants and animals grow, they accumulate biomass, which can lead to an increase in dry mass. Conversely, factors like drought, nutrient depletion, or decay can reduce dry mass by causing loss of water or organic material. These changes are essential indicators of health and productivity in ecological studies.
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What is meant by dry mass?
dry mass means the mass of an object/organism once it has been dried and the water has been removed.
What describes and air mass with the symbol C T?
A cP (continental polar) air mass is generally cool and dry.
What are the difficulties in measuring growth in a living organism?
Growth in organisms is basically defined as cell division before cells become specialised. Different parts of organisms grow at different rates and different times but growth can be measured as an increase in either wet mass, dry mass or height. Height and wet mass can be measured when an organism is alive, but dry mass can only be measured when an organism is dead, because then all the water can be removed. Despite this, dry mass is the best for giving a measure of growth. Dry mass is often used because it eliminates the fluctuations that you get from using wet mass due to its water content. This is evident in weighing plants, since they have a high level composition of water and this water content depends on the amount of water in its environment so using dry weight tends to be more reliable in this case as it gives an idea of mass change.
What is meant by the term dry mass?
mass of solid matter without water.
What is the ratio of water in a dry paper with respect to its mass?
The ratio of water in a dry paper is typically measured using terms such as percent moisture content or water content. This is calculated by dividing the mass of water in the paper by the mass of the dry paper and expressing it as a percentage.
What is that if its dry weight 2 kg if get wet becomes 1kg if burnt becomes 3kg?
None. The mass of an object won't change if you change the state of matter. When you burn it, the mass can change, since the atoms of the original object combine with oxygen, usually.
What is meant by dry mass?
dry mass means the mass of an object/organism once it has been dried and the water has been removed.
Why is biomass is often calculated as dry mass rather than wet mass?
Dry masses are used to work out the pyramid of biomass because the weight and density of wet mass can fluctuate. Water can disappear from the mass, causing it to lose weight. Adding more water will make it heavier and denser.
Does mass change with temperature change?
Mass does not change with temperature
What describes and air mass with the symbol C T?
A cP (continental polar) air mass is generally cool and dry.
What air mass is warm and dry?
A warm and dry air mass is typically classified as a continental tropical air mass. This air mass forms over hot and dry regions on continents, leading to warm temperatures and low humidity.
Does mass change in a physical change?
In this case mass doesn't change.
What is dry mass?
Dry mass refers to the weight of an object or substance after all moisture and volatile components have been removed. It is a measure of the solid content of the material without any water or other liquids. Dry mass is often used in scientific research to accurately measure the amount of a specific substance present.
Why is growth an increase in dry mass?
Growth is an increase in dry mass because it reflects the accumulation of new cells and tissues in an organism. Dry mass excludes water content, providing a more accurate measurement of the actual increase in biological material. By focusing on dry mass, we can better understand the true growth and development of an organism.
Why mass is measured as dry mass?
because when it contain water the mass of water will be the one to be obtained
What are the difficulties in measuring growth in a living organism?
Growth in organisms is basically defined as cell division before cells become specialised. Different parts of organisms grow at different rates and different times but growth can be measured as an increase in either wet mass, dry mass or height. Height and wet mass can be measured when an organism is alive, but dry mass can only be measured when an organism is dead, because then all the water can be removed. Despite this, dry mass is the best for giving a measure of growth. Dry mass is often used because it eliminates the fluctuations that you get from using wet mass due to its water content. This is evident in weighing plants, since they have a high level composition of water and this water content depends on the amount of water in its environment so using dry weight tends to be more reliable in this case as it gives an idea of mass change.
In general direction is the hot and dry air mass most likely to move?
the hot and dry air mass are most likely to rise
