Tsunamis, like the one that hit northeastern Japan in March 2011, are usually caused by

Biology

2 answers:

Ghella [55]2 years ago

5 0

Answer:Large earthquakes underwater or near water

Explanation:

ololo11 [35]2 years ago

3 0

A sudden shift in the tectonic plates of the earth

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A cell accumulates several mutations in the genes that regulate its cell cycle. As a result, the cell no longer responds to inte

Oksanka [162]

ANSWER: CANCER DEVELOPMENT

EXPLANATION:

Tumor suppressor genes (TSGs) are genes that regulates the cell cycle of a cell (i.e the cell division and replication). In other words, TSGs encodes protein that act as control or regulator of cell growth.

However, when there is an alteration in the genetic sequence (mutation) of the TSGs, this make the cell not to respond to cues that had been regulating it growth.

Thus, when cell growth is not regulated, it results to runaway or abnormal cell growth (i.e multiple folds cell division and replication), in other word referred to as “cancer”.

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3 years ago

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An element has a half-life of 30 years. If you start with 10g of this element, how many grams of this element would remain after

drek231 [11]

After two half-lives or 60 years, 7.5 g of the element will be left.

Explanation:

Half-life:

In simple words, Half-life can be defined as the amount of time needed for a quantity to fall to half its value as contained at the beginning of the time period.
In this problem the half-life of the element is thirty years, then after thirty years half of the sample would have decayed and half would be left as it is.
After thirty years (The first half-life ) 30 /2 = 15 g declines and 15 g remains disappeared.
And after another sixty years (The two half-lives) 15 /2 = 7.5 g declines and 7.5 g remains disappeared.
After two half-lives or 60 years, 7.5 g of the element will be left.