The first agricultural revolution occurred in the region of the Middle East known as the fertile crescent. This revolution marked the Era when humans moved from a hunter gatherer lifestyle to a more permanent one. This revolution led to the origin of the first civilizations as the newly found agriculture presented a way for people to produce their own food and to have an excess for trading.
<span>Some potential benefits of genetically modified organisms are as follows:
1. Improvement of the food situation worldwide
2. An increase in yield crops
3. An increase in the nutritional value of food
4. The development of pharmaceutical preparations of proven clinical significance.
On the other hand, some potential risks o</span>f genetically modified organisms are as follows:
1. Transgenic food may unfavorably affect the health of consumers.
2. Transgenic food may lead to development of alimentary allergies
3. Synthesis of toxic agents
4. Resistance to antibiotics
5. Other u<span>nknown effects of mixed genes on the animals or the environment.</span>
An oxbow lake starts out as a “meander” in a river (like an S-shaped curve). It’s usually on a flat plain. A lake forms when the river finds a shorter, straighter route, leaving water behind in the S-curve.
Answer:
Three
Explanation:
Three
Three extremely large explosive eruptions have occurred at Yellowstone in the past 2.1 million years with a recurrence interval of about 600,000 to 800,000 years. More frequent eruptions of basalt and rhyolite lava flows have occurred before and after the large caldera-forming events.