When volcanoes erupt, they emit a mixture of gases and particles into the air. Some of them, such as ash and sulphur dioxide, have a cooling effect, because they (or the substances they cause) reflect sunlight away from theearth
Answer:
service-learning opportunities
Explanation:
Because you serve and you learn
It will be 25 beacues you add 2 down is 2 and add 2+3 is 5 so is 25 in total
Answer:
Hydrogen could become a future energy source as it can be used to create steam, electricity and other forms of energy. Hydrogen is also considered a clean form of energy, as its only product is water, which is harmless.
Explanation:
An estuary is often a stopover location for millions of migrating shorebirds that need to stop and fuel up on the invertebrates living in the mudflats.
Ecosystems include all the organisms, their physical and chemical environment. The intrinsic value of the ecosystem is self-ascribed which means that its intrinsic value is conferred by its own desire to take its lived experience as an end in itself. An estuary establishes its intrinsic value in this example showing how it is utilized in the ecosystem.
