Science Questions and Answers (Q&A)

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Dinosaurs died because asteroid crashed and the dinosaurs can't survive in the changed climate.

5 Answers

Astronomy involves the study of stars, sun, moon, comets, planets, gas, galaxies, gas, dust and other non- earthly bodies. Therefore, the study of stars is known as astronomy.

Scientists that studies these non earthly bodies are called astronomers.

These scientists are also...

4 Answers

The correct answer is option 1.
The role of xylem in the transport system of plants is to carry water and dissolved minerals from the roots, up the stem and leaves.

Xylem is one of the transport system of plants, the other being phloem.

The role of phloem, the other...

3 Answers

A thermometer measures a person/s body temperature. This might be under the tongue or under the arm in the armpit/ Don't get thermometer mixed up with a tempometer. Best write it as tempo meter, two words, and in fact this is correct. A tempo meter checks the speed, or tempo, of a piece of...

3 Answers

The external intercostal muscle constructThe rib cage move upwards and inwardsThe diapharm constructs and move downThe volime of thoracic cavity increasesAir pressure in the thoracic cavity decreasesAir pressure in the atmosphere increasesThe air breathe in

3 Answers

Haemoglobin. Haemoglobin is to carry the oxygen from the diffusion to all other parts of body

3 Answers

The answer to this is B. The thermometer is mainly used in order to measure the temperature of different objects. People normally use the thermometer to check their current temperature. A temperature that is above 37 is considered to be abnormal. Slightly higher temperatures than 37 Degrees...

3 Answers

Suppose you are biking with a friend. how would your friend describe your relative motion as he passes you?

3 Answers

12 litre of air can be contained in an adults lung

3 Answers

A is the answer to this question. There are a lot of people who have heard about the halogen Fluorine but they do not know what this is. This element is known to be highly toxic. You will know what this is based on its appearance which is usually pale yellow. This is an electronegative element...

3 Answers

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