Answer:
The question is directed to you personally. But I would say:
I will go on 30 min walks at least twice a week or during commercial breaks I'll do 20 sit ups and 10 push ups.
The correct answer is true.
The oxygen in the upper atmosphere combine to form ozone layer (o3) that allows to colonize surface water.
Explanation:
The fossil stomatolites are formed at about 3.0 ga laminated bacteria. they form the sediments to fall into a thin film of bacteria, these bacteria binds with the sediment and grows through it.
Cynobacteria uses water, CO2 and sunlight to create their own food and produce oxygen as a by product. The significance of stromatolites is that they are earliest fossil evidence life on earth.
They were first organism to photosynthesis and produce oxygen.
Answer:
300 milligrams
Explanation:
According to the American Heart Association's a healthy diet and lifestyle is the most important weapon to fight with any cardiovascular disease. We should balance the calorie intake and physical exercise to gain and maintain a healthy body weight.
American Heart Association's 2006 Diet and Lifestyle recommends that for the reduction of cardiovascular disease risk we should consume less than 300mg of cholesterol per day and partially hydrogenated fat should be minimized in diet.
