Answer:
a jet stream that brings alternating warm and cold periods
Explanation:
Jet streams are known as a composition of powerful wind that normally moves from west to east all over the world.
According to various research, it is considered strongest in winter, specifically showing a strong effect on weather in North America.
A jet stream at a normal pace is associated with normal cold and occasional warms, but at a strong pace, it usually creates heavy cold moving and warmth from north to south and vice versa. This is known as Rossby waves.
Hence, in North America, a winter weather change that might be associated with large amplitude Rossby waves is " a jet stream that brings alternating warm and cold period"
Answer:
Mutations, gene flow, and sexual reproduction are all major causes of variation. By altering the genes of individuals in a population, DNA mutation causes genetic variation. As new individuals with different gene combinations migrate into a population, they cause genetic variation.
Explanation:
B)
Answer:
Explanation:
A monocrop is a non example of biodiversity because it contains only one species, such as all corn, therefore there is very little biodiversity.
Dalam politik etis, pemerintah kolonial memberikan bantuan timbal balik pada rakyat indonesia sebagai ganti balas budi atas segala yang rakyat indonesia berikan. Salah satunya dengan pendidikan gratis.
Para penerima pendidikan ini menghasilkan beberapa pemuda - pemuda briliant berkebangsaan indonesia yang mempelopori pergerakan nasional.
semoga membantu