Sentences with phrase «main keys to their growth»
This has been one of the main keys to their growth.
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At Key Stage 2 (Age 7 + to 11, Years 4 to 6) schools have to teach the following: Growth and reproduction; the main stages of the human life cycle; reproduction;...
At Key Stage 2 (Age 7 + to 11, Years 4 to 6) schools have to teach the following: Growth and reproduction; the main stages of the human life cycle; reproduction; the parts of the flower [for example, stigma, stamen, petal, sepal] and their role in the life cycle of flowering plants, including pollination, seed formation, seed dispersal and germination.»
The authors find that the main barriers to large - scale deployment of both macro - and micro-algae, include high demands of key resources for algal growth (such as nutrients, water and CO ₂), difficulty in maintaining selected species with high productivity content in outdoor culture, as well as high energy requirements and costs of algal production and conversion into biofuels.
Bad agriculture, not population growth, he contends, is the continent's main predicament — and in this essay, he describes how more people, employed on ecologically friendly, small - scale farms will be key to African sustainable development.
Bad agriculture, not population growth, he contends, is the continent's main predicament — and in this essay, he describes how more people, employed on ecologically friendly, small - scale farms will be key to African sustainable development.