An isthmus can exist between two large landforms or between an island and a larger landform or continent. It is any narrow connecting neck of land.
A tombolo is a sandbar that connects the mainland to an island, forming a permanent or temporary isthmus, and the island can be known as a "tied island". Tombolo's form from sand or sediment pushed along a shoreline.
Answer:
B inorganic materials can form organic molecules under the right conditions
Answer: 1st part Because plants cannot walk around and take their seeds to other places, they have developed other methods to disperse (move) their seeds. The most common methods are wind, water, animals, explosion and fire
2nd part plant tropisms are mechanisms by which plants adapt to environmental changes. Thigmotropism describes plant growth in response to touch or contact with a solid object. Positive thigmostropism is demonstrated by climbing plants or vines, which have specialized structures called tendrils. Gravitropism or geotropism is growth in response to gravity.
The answer is 5 hope this helps you have a great day