Answer:
2. a tsunami
Explanation:
A tsunami brings lots of water to a coast and causes flooding.
Answer:
The main effect of the earth is seasons.
Explanation:
Our earth is tilted at the axis of 23.5° (relative to our orbital plane – the plane of Earth's orbit around the sun. ) and this tilted axis is causing seasonal change at our planet.
<u>Stromatolites are layered mounds of calcium carbonate that were deposited by algae during the Precambrian time.</u>
Answer: Option C
<u>Explanation:</u>
Stromatolites are the deposit of the layer which is mostly of limestone and these are mainly formed by the blue green algae which are only one celled organism of primitive times.
The features of these are that they are normally thin and have layers that might be either light or dark in color and are either flat or some of them even have a shape of a dome.
A shortage of food that results in widespread hunger is called famine.
It takes about 365and 1/4 days
