Answer:
Index Fossils
Explanation:
Index fossils are used by scientists to help them figure out the dating of discovered fossils or the correlation. They are also very known to appear in a (very) certain/specific age range.
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Answer:
The answer is D. Food security
Explanation:
Sustainable Agriculture:
Sustainable agriculture or farming is a combination of agricultural policies, practices and measures that yield the maximum profits and benefits without negatively impacting the environment.
Sustainable agriculture, as an idea, basically means to utilizes resources responsibly so that the future generations can reap the benefits as well.
Sustainable Farming Approaches:
Approaches to sustainable farming include policy as well as farming technique interventions. Some of these methods are:
- Crop rotations that involve planting diverse crops on a piece of land, as opposed to monoculture and intensive farming that gradually makes the soil nutrient deficient.
- Cover cropping after a season of monoculture to prevent leaving the soil bare til the next season.
- Use of renewable energy resources and integrated pet management to generate energy efficiently and minimize crop losses respectively.
Food Security:
Food security entails that healthy, nutritious and safe food is readily i.e. physically and economically available for all people. Food security is one of the major sustainability goals.
(a) very frequent use of something so that it stops being effective; an over-use.
Answer:
C. An organism must copy its DNA to pass genetic information to its offspring
Explanation:
Without the copying of the DNA life would not continue as existing organisms would not be able to reproduce and replace themselves.
Answer:
your brain needs oxygen to think and your lungs need oxygen to live and keep your body going
Explanation:
i think not for sure tho
