Fuel such as wood,
kindling such as paper, or dried pine needles,
and combustion, such as a strike of flint or a match being struck.
ZMAN OUT!
Simple.......
Actually, the correct answer is 1) fuel, 2) ignition source, and 3) oxygen.
Oxygen, a hydrocarbon (the fuel), heat (i.e. the fire must self-perpetuate itself) although this is not really an element. The main ingredient is the availability of oxygen.
Fuel, Heat and Oxygen
Three elements.
Elements are classified as set out in the Periodic Table of the elements. It is NOT clear to what "three" you are referring.
Please list the three elements in your question when you resubmit.
The three elements are carbon, hydrogen and oxygen. Sugar is a carbohydrate.
Because fuel is a FLAMMABLE material.
food, water, habitat, and shelter
Some elements that start with c are Chromium, Caesium and Calcium.
The three things that are required to start and maintain fire are fuel,heat and oxygen.
health peace/security food clothing shelter
An ignition source, fuel and oxygen
Fire needs three things to start and sustain itself... fuel (matter), Oxygen and heat. Take away one of the three and no fire. The amount of energy needed to start something on fire is known as it's flash point.
The three basic minerals that plants require for growth are: Nitrogen (N), Phosphate (P) and Potassium (K). Also abbreviated as NPK in the horticulture and agriculture industries after the elements abbreviations on the periodic table of elements. Nitrogen (N) is primarily responsible for the green, leafy growth of the plant. Phosphates (P) responsible for root development of the plant and Potassium (K) assists in flower and fruit production of the plant Micro elements are also required to sustain a balanced, deficiency free plant
In order for earth to sustain life it has the magnetic field, plate tectonics, and active volcanoes.
If you mean "elements", there are not three, but over a hundred known elements.
The three elements of electricity are: - Voltage - Current - Resistance
Plants require 3 main (macro) elements to sustain active growth, these are N, P and K. These three are required to provide elements for green growth, root growth and fruit and flower formation. A number of trace or micro elements are also required but in much smaller quantities (i.e. amounts measured in parts per million). These, while they are not the main "building blocks" of growth are required to assist in enzyme and protein synthesis DNA replication (i.e. Mitosis and Meiosis's regulating mineral transfer (through osmosis) etc. In combination macro and micro elements work together to ensure active healthy plant growth. To much or to little of any of these elements, or imbalances in these elements manifest as plant disorders - e.g. discoloured or chlorotic leaves, aborted fruit and abnormal growth patterns. So in short, yes multivitamins may help in plant growth, but only if they are applied in conjunction with macro elements and applied in appropriate doses so that the plant is not "poisoned" by an overdose of these elements.
Five required variables for human life are:oxygenwaternutrients; foodelimination of wastesall organ systems functioning well enough to sustain life, even if an organ is somewhat diseased