There were bones from dinosaurs, the exact same on two different continents, giving him a theory of the continental drift. Plus if you look at a map, you will notice that some continents fit ether like a puzzle, for example, Africa and South America.
Answer:
option B
Explanation:
The correct answer is option B
Biology is branch which helps people to understand the living organism from small bacterial to blue whale.
Botany is a branch of biology which includes the study of plants, plants include fungi, lichen, fern,etc.
Zoology is a branch of biology which includes the study of animals living or extinct.
Geology is known as the study of rocks.
Answer:
water in the Earth system.
Explanation:
Earth crust refers to the outermost layer or thin shell which makes up the earth such as sedimentary, metamorphic and igneous rocks.
The Earth crust is typically made up of two (2) main types;
1. Oceanic crust: this crust has a thickness ranging from 5 km to 10 km and comprises of denser rocks such as diabase, gabbro and basalt.
2. Continental crust: this crust has a thickness ranging from 30 km to 60 km and comprises of minerals such as quartz, silicate, feldspar, aluminum and less dense rocks such as granite
The term hydrosphere describes one of the Earth's spheres and it includes all of the water in the Earth system. It makes up about 86% of the earth surface.
