It depends on what you're asking. If angle a and b are both on a straight line, b would equal 169 degrees because the total has to add up to 180 degrees, but if they are on a right angle, b would equal 79 because it has to add up to 90 degrees.
Answer:
An egg, it is solid at the core, surrounded by liquid and then a hard outer shell
Explanation:
The eggshell represents the crust, which is solid and thinnest layer, the albumin represents the mantle that is ‘liquid’ while the embryo represents the core which is solid.
The zone that is periodically submerged between the land and the ocean is the littoral zone. In addition, this oceanic zone is the one that is closest to the coastline. Common animals that usually lives in the littoral zone are chitons, crabs, green algae, snails, starfishes, and isopods.
The abyssal plains are predominantly made of igneous rocks as their basic layer, more specifically, basalt from the oceanic crust with which they are underlined with. The basalt is an igneous rock, it is a dark, fine grained volcanic rock.
Answer:
The Cenozoic division of the geologic time scale is an era of the phanerozoic eon.
Explanation:
The Phanerozoic Aeon is the eon we live in and was started 542 million years ago. The word Phanerozoic derives from the Greek and means apparent life (zoico) (faneros).
The Phanerozoic Aeon is divided into three ages:
- Cenozoic Era
- Mesozoic Era
- Paleozoic Era
The ages are divided into periods. The Cenozoic Era is divided into the periods:
