Answer:
The correct answer is d all of the above
Explanation:
There are many reasons behind increasing the concentration of atmospheric carbon dioxide such as
1 Burning of fossil fuels such as coal,petroleum increases the level of atmospheric carbon dioxide.
2 Increase in Argiculture also increases the level of green house gases such as CO2.
3 Clearing of lands for increasing population and agriculture by cutting down trees also adversely effect the normal 02:CO2 ratio in the atmosphere.
<span>Eating away from home is playing an increasing large role in the diet and the household budgets of American families. Back in 1970 approximately 26 percent of all food spending was on food away from home; by 2012, that amount had risen to 43 percent. The increase can be attributed to a greater percentage of women employed outside the home, more two-earner households with the resulting higher incomes, as well as more affordable and convenient fast food outlets. The downfall of this statistic is the contribution all that fast food makes to higher levels of obesity and lower dietary nutritional quality.</span>
They basically do most of the work in the cells and are required for the structure, function, and regulation of the body's tissues and organs. (made up of thousands of smaller units called amino acids)
Answer:
La producción agropecuaria tiene unos profundos efectos en el medio ambiente en conjunto. Son la principal fuente de contaminación del agua por nitratos, fosfatos y plaguicidas. ... Si se utilizan más métodos de producción sostenible, se podrán atenuar los efectos de la agricultura sobre el medio ambiente. I hope it helps you
Explanation:
Answer:
A
Explanation:
If the track is 400m and he runs around 4 times, then he runs 1600m. (400x4)
