They needed to maintain a certain level of strength for "duties".
Answer:
Soil is the earth’s fragile skin that anchors all life on Earth. It is comprised of countless species that create a dynamic and complex ecosystem and is among the most precious resources to humans. Increased demand for agriculture commodities generates incentives to convert forests and grasslands to farm fields and pastures. The transition to agriculture from natural vegetation often cannot hold onto the soil and many of these plants, such as coffee, cotton, palm oil, soybean and wheat, can actually increase soil erosion beyond the soil’s ability to maintain itself.
Half of the topsoil on the planet has been lost in the last 150 years. In addition to erosion, soil quality is affected by other aspects of agriculture. These impacts include compaction, loss of soil structure, nutrient degradation, and soil salinity. These are very real and at times severe issues.
The effects of soil erosion go beyond the loss of fertile land. It has led to increased pollution and sedimentation in streams and rivers, clogging these waterways and causing declines in fish and other species. And degraded lands are also often less able to hold onto water, which can worsen flooding. Sustainable land use can help to reduce the impacts of agriculture and livestock, preventing soil degradation and erosion and the loss of valuable land to desertification.
The health of soil is a primary concern to farmers and the global community whose livelihoods depend on well managed agriculture that starts with the dirt beneath our feet. While there are many challenges to maintaining healthy soil, there are also solutions and a dedicated group of people, including WWF, who work to innovate and maintain the fragile skin from which biodiversity springs.
Explanation:
<em>Answer:</em>
<em>Answer:Many scholars have identified more than 1,500 African American officeholders ... of African Americans were elected or appointed to offices after 1876 and the end of Reconstruction.</em>
<h3>Nigeria’s president Muhammdu Buhari is traveling to London on another medical trip today (May 8), some eight months after returning from the last one. The trip will last four days, the presidency says.</h3>
<h3>It’s Buhari’s third trip to London since the start of last year. The first medical trip, in February 2017, lasted 50 days while he was away for over 100 days for the second between May and August. At the time, Buhari left the door open to further trips to seek further treatment. It’s Buhari fourth medical trip since taking office: in June 2016, he visited London over an ear infection. Unlike that trip however, the president’s more recent ailments remain undisclosed despite his lengthy stays.</h3>
<h2>please mark in brain list </h2>
