Gases. After reading the passage and reviewing the data it appears that, although the results of changing the natural atmospheric greenhouse are difficult to predict, certain effects seem likely. What are they?
A. The oceans will warm and partially melt glaciers and other ice, increasing sea level.
B. Warmer conditions will probably lead to more evaporation and precipitation overall
C. Higher temperatures and shifting climate patterns may alter the makeup of natural communities.
D. A reasonable extrapolation of the temperature anomaly using the graph of Global Surface Temperature, if
the current trend continues to the year 2020 would be 2.5°C.
E. As snow and ice cover on Earth increases, solar reflection will also decrease.

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.

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answer-

the statement that f(x) = |x+a| + b has exactly one x-intercept is sometimes correct.

solution-

it solely depends on b, whether the function will have one or two or zero x intercept.

this plot of the given function, f(x) = |x+a| + b will be the basic absolute value graph i.e v shape, with vertex translated to (-a, b), instead of origin.

1-   if b is zero, the graph will have exactly one x-intercept, at x= -a

2- if b is positive, the whole graph will be above the x-axis, hence it will have no x-intercepts.

3- if b is negative, the graph will be below the x-axis, hence it will have two x-intercepts.

∴ the statement is sometimes true.