The correct answer is 10 m/s. This is because:
F = ma
45 = 5m
90 = 5m * 2
Therfore a = 10 m/s
the process by which the structure of a biological community evolves over time. Two different types of succession—primary and secondary—have been distinguished. Primary succession occurs in essentially lifeless areas—regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. Secondary succession occurs in areas where a community that previously existed has been removed; it is typified by smaller-scale disturbances that do not eliminate all life and nutrients from the environment.
Answer:
no
Explanation:
because mining coal is not gonna affect eco system and coal mining is not good foy your body
Answer:
A measure of the nutrients a food provides relative to the energy it provides; the more nutrients and the fewer kcalories, the higher the <u><em>nutrient density</em></u>.
Nutrient density identifies the amount of beneficial nutrients in a food product in proportion to e.g. energy content, weight or amount of detrimental nutrients. Terms such as nutrient rich and micronutrient dense refer to similar properties. Several different national and international standards have been developed and are in use
