B because B is the nucleus which is the storage location of DNA
Alternative energy sources are those that do not deplete natural resources and do not harm the environment.
Options A, B, and C are all fossil fuels, which we know can be depleted and harm the environment.
The only valid option here is D, Geothermal energy.
Geothermal energy is both renewable and environmentally friendly.
Answer:
Los materiales que se pueden imantar al estar cerca de un imán son los materiales Paramagnéticos, ya que en estos materiales los espines de los electrones se orientan en la misma dirección del campo magnético que le fue aplicado.
10-15% of energy is transferred between a producer and primary consumer.
It is better for the whales to go where the whales have the ability to dive longer and deeper to find cooler water.
