Answer:
Though Sputnik was a relatively simple satellite compared with the more complex machines to follow, its beeping signal from space galvanized the United States to enact reforms in science and engineering education so that the nation could regain technological ground it appeared to have lost to its Soviet rival.
Fire on fort sumter or let it be replenished
The Tennessee Valley Authority<span> (</span>TVA<span>) is a federally owned </span>corporation<span> in the </span>United States<span> created by congressional charter on May 18, 1933, to provide </span>navigation<span>, </span>flood control<span>, </span>electricity generation<span>, </span>fertilizer<span> manufacturing, and </span>economic development<span>to the </span>Tennessee Valley<span>, a region particularly affected by the </span>Great Depression<span>. The enterprise was a result of the efforts of Senator </span>George W. Norris<span> of Nebraska. TVA was envisioned not only as a provider, but also as a regional economic development agency that would use federal experts and electricity to more quickly modernize the region's economy and society.</span>
Correct answer choice is :
<h2>D) Species. </h2><h2 /><h2>Explanation:</h2><h2 />
A collection of interbreeding individuals cannot be easily implemented to organisms that generate only or essentially asexually. Also, many plants, and some animals, form hybrids in nature. According to the biological species theory, organisms belong to the same species if they can interbreed to produce viable, fertile offspring. Species are divided from one another by prezygotic and postzygotic restrictions, which restrict mating or the generation of viable, fertile offspring.
Answer:
Brainiest
Explanation:
Cretaceous Period, in geologic time, the last of the three periods of the Mesozoic Era. The Cretaceous began 145.0 million years ago and ended 66 million years ago; it followed the Jurassic Period and was succeeded by the Paleogene Period (the first of the two periods into which the Tertiary Period was divided). The Cretaceous is the longest period of the Phanerozoic Eon. Spanning 79 million years, it represents more time than has elapsed since the extinction of the dinosaurs, which occurred at the end of the period.
