The shoreline is the line along which a large body of water meets the land. Have a good day
Answer:
An open circuit is one where the continuity has been broken by an interruption in the path for current to flow. A closed circuit is one that is complete, with good continuity throughout.
Explanation:
For instance, a simple light switch opens and closes the circuit that connects a light to a power source. When you build a circuit, it's a good idea to disconnect the battery or other power source when the circuit is not in use.
sedimentary rocks are made from fossils igneous is from lava
Answer:
The scientists believe that they arose in Africa and spread to the rest of the world.
Explanation:
A is not correct because the Homo sapiens is not the earliest ancestor of moern humans, but it is the latest.
B is not correct because such evidence is lacking, and even though the Homo sapiens mixed with other hominids in Eurasia and sub-Saharan Africa, they were not of the same species.
C is correct because the evidence suggests for now that the Homo sapiens arose in Africa, and through several migration waves spread out on the other continents.
D is not correct because the Homo sapiens has not been replaced by any other species, as they are the species nowadays known as humans.
The correct answer is B. Sunlight is a limited resource in the lower
depths of the oceans. A is not correct, as there is plenty of water
throughout the entire ocean. C and D are not correct because many plants
and sea creatures live at even at the lowest depths of the ocean, where
they serve as prey and predators of their fellow organisms.