Answer:
try not to cheat in a test next time?
Explanation:
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You could say that that is the way we get oxygen to our body and how the 2 veins: the blue and red veins let our body get oxygen that pur body need to keep every organisms in our body to work
Answer:
There are contrast of the Primary growth and Secondary growth in many ways.
Explanation:
- The Primary growth is to increase the length of that shoot and the root is referred to the primary growth.
- The primary growth act the way as shoot apical causing extension to the growth system into the root and ground they root are apical.
- The primary growth is the plant into that ground to contain water and nutrients that with the soil relation.
- The primary growth is that root can take different forms depends on the plant is Mono cot,the primary root replace by the stem after the plant germinates its called Adventitious root.
- The secondary growth is that performed to increase by the girth of the plant.
- Secondary growth is to produce the lateral cambiums that layer of tissue add to the plant growth.
- Secondary growth is that performed and support from the shoot system into the transporting that water and nutrients.
- Secondary growth is to provide the cross section of the stem and the replace with newer layer, the layer of that growth bark.
- Secondary growth is to consist that bark remain that the narrow of band, it root is transformed.
Answer:
raised atmospheric concentrations of CO2 by 47% above pre-industrial levels
Explanation:
Over the past 170 years, human activities have raised atmospheric concentrations of CO2 by 47% above pre-industrial levels found in 1850. This is more than what had happened naturally over a 20,000 year period (from the Last Glacial Maximum to 1850, from 185 ppm to 280 ppm).
They are example of organelles