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I don't think quadratic inequations are even part of yr 10.

x < -4 and x > -1

Question - What is a diatomic molecule? Give one example.

Contagious (infectious) diseases can be spread from one person to another by direct contact however non contagious cannot. Examples of infectious diseases include colds and HIV/AIDS. Examples of non-infectious include genetic disorders (e.g. sickle cell anaemia, downs syndrome etc.) and skin...

earth is 4.5 billion years old according to the fossil record/radioactive dating, universe is 13.7 billion years old (usually rounded up to 14 bill) according to the big bang theory.

How old is the universe?

Mitosis is a form of asexual reproduction that occurs in body cells. It produces two daughter cells which are identical to the parent cell. It is needed for the growth of organisms and the repair/replacement of dead/damaged body cells (skin and blood cells can become damaged or can die with old...

used to think that there were no atoms and just 4 elements - fire, earth, water and air. Most accepted model is Dalton's atomic theory (all matter is made of atoms, atoms of the same element are alike, atoms cant be broken down etc.). The only problem with Daltons theory was that atoms can be...

1 hour

What is continental drift?

cos it is causing rises in sea levels, causing temperatures to rise and will create extremeties of weather (e.g. floods, drought etc.). It greatly affects ecosystems, as minor variations in these ecosystems can have a big impact (e.g. temperature changes in coral reefs can destroy the coral)

what is meant by the frequency of a wave?

independent on x axis

Provide evidence for evolution.

Even if it did mean reactions, it would be really ambiguous

could you clarify what you mean by chemical equation? Do you mean like the ionic, word and formula equations?

Charles Darwin went to the Galapagos Islands (not sure about spelling lol) and saw 14 different finches, which were geographically isolated and situated in different areas. He noticed that the finches had developed favourable characteristics (e.g. beak size and shape) that allowed them to be...

molecule

For English, what text types should we know how to make, other than speech, feature article, letter and short story?

what's the answer?