Explanation:
hemoglobin is that pigment which is present in erythrocytes and transports oxygen.
30 minutes of physical activity every day, Im pretty sure
I would say that the answer would be the balance sheet because the question is to do with the cost of the merchandise and a balance sheet I believe is a record of both income and expenses for a certain period of time which could be a year such as in this case.
In acid soils you can select the crops that can growth in this conditions (pH 6.0 - 6.5 is slightly acidic, and you can find cultures that can be cropped under this conditions). If soil is acid to highly acidic , in some areas of Northern Spain the use to increase the pH by liming the soil in a gradual / gentle way. You can find different product for liming fron rocks, wastes (from marble industries; animal bones; etc