Answer:
After a volcanic eruption or earthquake, primary succession occurs when lichens break down rocks to generate new, nutrient-rich soils. Pioneer species are the first species to colonize an area following a severe disturbance, and they assist to shape the new habitat.
Explanation:
Developmental psychology is the study of life span development including physical development, cognitive development, and socioemotional development. This field first started studying children's development; however, the field now studies the entire life span.
Answer:
The effect did advancements such as the three-field crop rotation and the wheeled iron plow have on agricultural production is that (B) They allowed for the increase of crop production.
Explanation:
The three-field crop rotation system for agriculture was introduced in Europe during the late medieval and early modern period. In this system, fields were divided into three plots, unlike the earlier medieval system where fields were divided into two plots. During autumn one third of the land would be planted with wheat, barley and rye. Crops like oats, peas and beans would be planted in the spring on another third of the land. The remaining third would be left to fallow. The wheeled plough made possible the northward spread of agriculture in Europe.
Answer:
It was the only major engagement of Dunmore's War and the most important battle ever fought in present West Virginia. In response to hostilities along the Ohio River that spring, Lord Dunmore, the last colonial governor of Virginia, assembled two armies to attack the Shawnee villages in Ohio. After a long and furious battle, Cornstalk retreated. After the battle, the Virginians, along with a second force led by Lord Dunmore, the Royal Governor of Virginia, marched into the Ohio Valley and compelled Cornstalk to agree to a treaty, ending the war.
Explanation:
No astronaut has died in the space program. The answer is False. The space crew who first took part of the Apollo mission was the first space program who had 3 casualties.
Scott Carpenter was the first American in space. The answer is False. Scott Carpenter was the second astronaut to orbit the earth but was only fourth astronaut in space.
Three phases of the space program were Mercury, Gemini and Apollo.