Gravitational waves are ripples in spacetime. They are created whenever objects with mass move. Hope this helps :)
These are called igneous rocks due to them being made from lava from an volcanoe eruption,
Answer:
From smallest to largest:
Capillaries, alveoli, bronchi. bronchioles, trachea, pharynx, nasal cavity.
Answer:
Lived during the time of dinosaurs.
Explanation:
Both types of trees have existed since the time of dinosaurs or earlier.
