Another name for unicellular organisms that dominated Earth up to the Precambrian time is prokaryotes. The correct answer is D.
Answer:
Improved food sources
Explanation:
Artificial selection is also known as selective breeding. Its a deliberate process of breeding plants and animals for better breeds.
It's also called genetic engineering.
This in a way impacts the society positively as crops with better yield are produced. Example is wheat that has more grain or in animals, cow that produces more milk.
Lead.
"Due to insufficient water treatment, lead leached from water pipes into the drinking water, exposing over 100,000 residents to elevated lead levels."
Answer:
Ein Magnetfeld kann erzeugt werden, indem Elektrizität durch einen Draht geleitet wird. Alle Magnetfelder werden durch Bewegung geladener Teilchen erzeugt. Sogar der Magnet an Ihrem Kühlschrank ist magnetisch, weil er Elektronen enthält, die sich ständig im Inneren bewegen.
Explanation:
