Answer:
d. Some magma generated during seafloor spreading spills out to produce a new layer of seafloor called gabbro.
Explanation:
- The magma is spilled from the mid-oceanic ridges and spreads onto the seafloor creating a newer seafloor.
- This is why it's called as the divergent boundary due to the spreading of magma on both sides of the floor. Grabbo is a coarse-grained mafic intrusive igneous rock and is formed at the oceanic ridges.
Answer:
They found four key changes: the unprecedented homogenization of species around the world through human-instigated species invasions; the growing interaction between the biosphere - the sum of all Earth's ecosystems - and technology; the total domination of one species on land and water; and human impact on evolution
Continental drift is the name of this theory.
Answer:
Please find the following three push and pull factors.
Explanation:
Push Factor
Overcrowding
Need for jobs
Ethnic/Religious repression
Refuge for outlaws
Pull factors
Land (cheap and plentiful)
Riches (gold, silver, oil)
Freedom of religion/beliefs
Family connections
Jobs and new opportunities
Adventure
Maybe to find love
