Uses of Oxygen
For respiration - All air breathing animals and plants use oxygen present in air by the process of respiration. This is known as aerobic respiration. During respiration, food is burnt in living cells by using oxygen to release energy for all metabolic activities. Witho..
31 grams of fish food is sufficient for 6 fish for a day. How much foo..
31 grams of fish food is sufficient for 6 fish for a day. How much food would 11 fish require in a day? => The problem can be solved by applying a formula or The problem can be solved by using ratio and proportions or The problem can be solved by using geomet..
Table 3. Plants used as green manure
., which require high nutrient input are raised. There is 30 - 50% increase in the crop yield by using green manure. The green manure crops are grown in the field for about 6 - 8 weeks and ploughed into the soil during the flowering stage. The plants are allowed to rem..
Indiscriminate use of fertilizers
Soil nutrients are important for plant growth and development. Plants obtain carbon, hydrogen and oxygen from air and water. But other necessary nutrients like nitrogen, phosphorus, potassium, calcium, magnesium, sulfur and more must be obtained from the soil. Farmers generally use ferti..
Uses of boric acid
It used in the manufacture of enamels and pottery glazes. As a food preservative in food industry. In the manufacture of pigments and borax. In medicines as eyewash. For making borosilicate glass..
Uses of Hydrochloric Acid
The main uses of the hydrochloric acid are mentioned below: 1) Hydrochloric acid is used in the production of dyes, drugs, paints, photographic chemicals etc. 2) It is used for the production of glucose from starch. 3) It is used for the extraction of glue fr..
Observe the use of connectors in these sentences.
Lydia likes to sing and dance when she is happy . We can paint our house red or white but we must select a good painter. Harry is intelligent however he is lazy. He must wake up or he will regret it. I left the party because I was bored, moreover it was quite late. He..
b) Competition resource use type
In this each population inhibits the other indirectly for the resource in short supply. Example: Trees, shrubs and herbs in a forest, struggle for sunlight, water and nutrients. Similarly, grasshoppers, rats, rabbits, deer (herbivores) compete for food especially during draught and less ..
Uses of Lime
Lime is indispensable for use with mortar and plaster. Lime is used for medicinal purposes, insecticides and plant and animal food. It is used as a laboratory reagent for gas absorption, precipitation, dehydration etc. It is used as a reagent ..
Describe which measure of central tendency - mean, median, or mode was..
Describe which measure of central tendency - mean, median, or mode was probably used in each situation. Answer in order. I. One half of the gross domestic product (GDP) of country A comes from more than 42.5% of its citizens. II. Computation of per-capita income in several countries. III...
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