3.8 billion – 2.5 billion years ago
The Archean is the name of the age which started with the shaping Earth. This time of Earth's history endured quite a while, over 2.5 billion years. When the archean age ended the earth was just coming alive.
Answer:
The correct answer is D
Explanation:
The primary function of the large central vacuole in a plant cell is to maintain turgor pressure against the cell wall of the plant. This vacuole also perform other functions such as storage (water and other nutrients) and waste disposal. When this vacuole is damaged in plant cells, the cells may no longer be able maintain turgor pressure and store materials (water inclusive). Also, <u>If the cell cannot store raw materials via the large central vacuole, the chloroplast will lack the raw materials required for photosynthesis</u>.
Answer:
Recycling paper uses 60% less energy than making paper from raw materials. Every ton of recycled paper saves:
· 4,100 kWh of electricity
· 380 gallons of oil
· 4.6 cubic yards of landfill space
· 7,000 gallons of water; and
· 17 trees
Explanation:
Answer:
Answer for question 2:
It is important to receive data from three separate locations because the more we know about the seismic waves and the places that they are more we gain for learning about them.
Explanation:
The new species come from old ancestors of the animals that were there, over time they slowly evolved, and they adapted to that new environment.
