The remains of animals and plants that grow in or near the water are the easiest to preserve, because the necessary condition for the preservation of the remains of animals and plants is a rapid burial. Things can be buried quickly. This passage mainly supports the view that? ['Animal and plant remains can be easily preserved in the silt sea, rivers, and even lakes.', 'Only the remains of animals and plants growing in or near the water can be preserved.', 'The seas, rivers and even lakes that are constantly being silted are the best environments for the preservation of animal and plant remains.', 'Animal and plant remains can be preserved as soon as they are buried quickly.']