Primary producers! They get their energy directly from the sun through photosynthesis. All consumers lose some energy from the previous level through indigestible parts, such as plant root (or later bones)
<span>Both documents concerned the rights of states to hold that a federal act was unconstitutional and to refuse to apply it. Calhoun's doctrine concerned the Tariff of Abominations and how SC would secede if it was not repealed. The Kentucky and Virginia Resolves concerned the Alien and Sedition Acts.</span>
It would be the "Necessary and Proper Clause" that establishes many implied powers of Congress, since this allows Congress to do whatever is "necessary and proper" to keep the United States functioning.
WWI tanks were used to lead infantry advances across no mans land (option a ). It was a welcome development, as it was hoped it would help ending the long and casualties provoking trenches type of war.
