Answer:
Corrective maintenance – costs due to modifying software to correct issues discovered after initial deployment (generally 20% of software maintenance costs)
Adaptive maintenance – costs due to modifying a software solution to allow it to remain effective in a changing business environment (25% of software maintenance costs)
Perfective maintenance – costs due to improving or enhancing a software solution to improve overall performance (generally 5% of software maintenance costs)
Enhancements – costs due to continuing innovations (generally 50% or more of software maintenance costs)
Explanation:
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.
Answer:
i think its 1st option
<em><u>Ground</u></em><em><u> </u></em><em><u>water</u></em><em><u> </u></em><em><u>can</u></em><em><u> </u></em><em><u>come</u></em><em><u> </u></em><em><u>to</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>surface</u></em><em><u> </u></em><em><u>by</u></em><em><u> </u></em><em><u>natural</u></em><em><u> </u></em><em><u> </u></em><em><u>(</u></em><em><u>non</u></em><em><u> </u></em><em><u>man</u></em><em><u>-</u></em><em><u>made</u></em><em><u> </u></em><em><u>)</u></em><em><u> </u></em><em><u>processes</u></em><em><u>.</u></em>
Answer:
It divided Antarctica between the different countries that were trying to reclaim the country. It also permitted the scientific exploration of all the land