Answer:
The hypothesis that will best demonstrate an economic benefit to the ranchers will be "Pastures with the highest diversity of plant species will have the highest net primary productivity."
Explanation:
This hypotheses would best demonstrate an economic benefit because it clearly states that when plant species are diverse, this will provide the highest net productivity to the ranchers. Hence if the aim of the student is to determine if increasing species diversity of edible plant would lead to great economic benefits, then this suits for the hypotheses.
Answer:
Why humans left their African homeland 80000 years ago to colonize the world. When the migration was complete, Homo sapiens was the last—and When the study of human origins intensified in the 20th century, two main theories emerged to explain the archaeological explanation. Blombos Cave held signs of early human creativity. The currently favored theory is that humans migrated via the Bering land bridge along the western Pacific coastline at a time when sea levels were lower, exposing an ice-free coastline for travel with the possibility for transport over water. Ancient scroll from SAPIENS. In a study published today in Nature, researchers report that dramatic climate fluctuations created favorable environmental conditions that triggered periodic waves of human migration out of Africa every 20,000 years or so, beginning just over 100,000 years ago.
Explanation:
Childless middle-aged adults become generative as mentors in the workplace, community volunteers, or in family relationships.
Childless elderly persons lack a crucial social support network created by children. This is the reason why childless people<span> are presumed to fare less well at older ages than parents.</span>
The Yukon river flows across the entire state of Alaska and empties out in the Bering Sea at the Yukon-Kuskokwim Delta. The river is 3,190 kilometers long. Hope this helped :)
Answer:Claudia and her mother are engaging in Joint Attention
Explanation:Joint attention also known as shared attention is when two individuals focus or have shared interest on an object. It is achieved when one person uses eye gazing , pointing or non verbal indication to alert the other person.
This shared attention normally should start to manifest around 9 months of age and becomes established by 18 months of age but children with autism often struggle with joint attention which results in difficulty to develop thier language skills.
