How was the life before bulb was invented

Answer:

Please refer to the attachment above because in the attachment there is your answer

Explanation:

I hope this will help you

Answer:

कैंसर वाले लोगों में रक्त के थक्के। कैंसर ही आपके रक्त के थक्के बनने के जोखिम को बढ़ा सकता है। गहरी शिरा घनास्त्रता (DVT) होने के लिए कैंसर को एक जोखिम कारक के रूप में जाना जाता है। कुछ विशेषज्ञों का सुझाव है कि यह ऊतक क्षति के कारण होता है कुछ कैंसर का कारण बन सकता है जो रक्त के थक्के बनने की प्रक्रिया को गति प्रदान कर सकता है

Explanation:

Blood clots in people with cancer. Cancer itself can increase your risk of getting blood clots. Cancer is known to be a risk factor for having a deep vein thrombosis (DVT). Some experts suggest this is because of tissue damage some cancers can cause that might trigger the blood clotting process

Answer: Physical and chemical properties

Explanation: Iodine is a nonmetallic, nearly black solid at room temperature and has a glittering crystalline appearance. The molecular lattice contains discrete diatomic molecules, which are also present in the molten and the gaseous states. Above 700 °C (1,300 °F), dissociation into iodine atoms becomes appreciable.

Iodine has a moderate vapour pressure at room temperature and in an open vessel slowly sublimes to a deep violet vapour that is irritating to the eyes, nose, and throat. (Highly concentrated iodine is poisonous and may cause serious damage to skin and tissues.) For this reason, iodine is best weighed in a stoppered bottle; for the preparation of an aqueous solution, the bottle may contain a solution of potassium iodide, which considerably decreases the vapour pressure of iodine; a brown complex (triiodide) is readily formed:

KI + I2 → KI3.

Molten iodine may be used as a nonaqueous solvent for iodides. The electrical conductivity of molten iodine has in part been ascribed to the following self-ionization equilibrium:

3I2 ⇌ I3+ + I3−.

The alkali iodides are soluble in molten iodine and give conducting solutions typical of weak electrolytes. Alkali iodides react with compounds containing iodine with the oxidation number +1, such as iodine bromide, as in the following equation:

Chemical equation.

In such reactions the alkali iodides may be regarded as bases.

Answer:

A graph drawn by taking time along the x-axis and velocity along the y-axis is called a velocity-time graph. Consider a particle moving along a straight line with a constant acceleration ‘a’. Let u be its velocity at time t = 0 and v be the velocity after t seconds. The velocity-time graph AC of this particle is shown in the figure.

Distance travelled by the particle in t seconds is given by,

s = area under v-t graph

= area of the triangle ABC + area of the rectangle ABDO

=1/2BC×AB+OA×OD From the graph,

BC = CD – BD = v – u,

AB = OD = t and OA = u

∴ s=1/2(v−u)t+ut…….. (1)

But, a = Slope of the graph = v−ut

∴ v – u = at

On substituting in (1) we have,

s=1/2at.t+ut

s=ut+1/2at

2

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