If a substance is very sour and has a ph of 4, then you would expect the litmus paper to turn into the shade of red. A substance that is sour and has a pH level that is below 7 would indicate that the substance is an acid or has acidic properties. For an acidic solution, the litmus would be red in color. If a blue litmus paper is used, then it would turn into red while if a red litmus paper is used, then it would remain as red. There is also a general type of litmus paper where the color change range from violet to red. A litmus is widely used in distinguishing acid and bases. It can be used in liquid solutions and in gas mixtures. <span />
The statement that a prion is an infectious, self-reproducing protein structure is true. Prion is short for <span>short for proteinaceous </span>infectious particle. <span>All known </span>prion<span> diseases in mammals affect the </span>structure<span> of the brain or other neural tissue. Hope this answers the question.</span>
Conservation tillage is an agrarian management method that targets to lessen the rate of tillage operations in an effort to endorse positive economic and environmental benefits. These consists of a cut in carbon dioxide and greenhouse emissions, it lessen the dependence on farm machinery and equipment, and an overall decline in fuel and labor costs. Furthermore, this will lead to agricultural sustainability through the conservation tillage methods it shown to develop soil health, lessen run-off, and limit erosion.
Answer:
D) Replace compact fluorescent bulbs with incandescent bulbs.
Explanation: Environmental lobbying groups have labeled incandescent light bulbs as harmful not only because of the electricity they waste in producing heat but also because of the substantial amounts of carbon dioxide they emit.
Answer:
B
Explanation:
rock pocket mice generally live on dark lava and this concealing coloration provides protection from avian and mammalian predators