A, an object in motion stays in motion unless acted upon by an outside force.
True, its found at mountains and sometimes hills
Explanation:
A keystone species is an organism that helps define an entire ecosystem. By keeping populations of mussels and barnacles in check, this sea star helps ensure healthy populations of seaweeds and the communities that feed on them—sea urchins, sea snails, limpets, and bivalves.
Answer:
Hey mate.....
Explanation:
This is ur answer.....
<h3><em>Crust is the outermost shell of a terrestrial planet</em><em>.</em></h3>
<h3><em>Mantle is the mostly-solid bulk of Earth's interior. </em></h3>
<h3><em>Core is the most inner part if the Earth. It is made of two layers: the outer core, which borders the mantle, and the inner core. </em></h3>
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Answer:
The correct answer is option A.
Explanation:
The lymph node is a small bean-like structure that filters substances that move through the lymphatic pathway with the lymphatic fluid. Lymph nodes are present on different site in the human body. They contain white blood cells that soldiers of the human immune system and fight with infection and pathogens.
Immune system cell that is B and T cells both, not just located in the cortex only but medulla of lymph nodes.
Thus, the correct answer is option A.