Answer:
A star's life cycle is determined by its mass. A star's mass is determined by the amount of matter that is available in its nebula, the giant cloud of gas and dust from which it was born.
Answer:
Là những biến đổi số lượng xảy ra ở một hoặc một số cặp nhiễm sắc thể hoặc toàn bộ nhiễm sắc thể của mỗi loài. Đột biến nhiễm sắc thể bao gồm 2 loại:
+ Đột biến cấu trúc nhiễm sắc thể.
+ Đột biến số lượng nhiễm sắc thể.
Explanation:
Answer:
D) the soil components remained for plants to grow.
Explanation:
The soil components that is remained after the removal of the forest provides a nutritive medium for the faster growth of plants. The faster rate of secondary secession occurs due to the presence of nutrients in the soil which ultimately increases the growth of the plants. The soil components has roots, seeds and other biotic organisms of the previous plants that is decomposed by the decomposers and provides nutrients to the plants.
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The five processes in the nitrogen cycle – fixation, uptake, mineralization, nitrification, and denitrification – are all driven by microorganisms.
Chroloplasts---it is important for a plant cell to have a chloroplast in order to create glucose.