Answer:
Separatist rebellion in the East When Ukraine's Moscow-friendly president was driven from office by mass protests in February 2014, Russia responded by annexing Ukraine's Crimean Peninsula. It then threw its weight behind an insurgency in the mostly Russian-speaking eastern Ukraine region known as Donbas.
Answer:
True
Explanation:
The process whereby ions such as sodium and potassium are passed across cell membrane in human cells is known as membrane transport system. This process is regulated by a series of mechanism which involves the creation of electrochemical gradients across the plasma membrane of the cells. The membrane transport system is powered by energy in form of ATP. The three major electron transport system in humans are passive transport (diffusion), osmosis and facilitated diffusion.
Arctic ocean has a little biodiversity as compared to the other oceans. It is completely covered with ice in winters and partly covered in other seasons. Due to very low temperature, the natural life is very limited in the ocean. Moreover, global warming is further damaging its ecosystem.
