What? you are supposed to be using this for educational reasons
A or C. If you rehearse your timing you will get better at it. Also C because it gives you a set time to do that slide after your first attempt.
Mdpaskmdciedmikqo cnt ndrstnd u?
The four scientific principles of sustainability are...
1. Reliance of solar energy
how much of the sun we reuse.
2. Biodiversity
When there is a large verity of species.
3. Nutrient Recycling
When a Population benefit from other populations.
4. Population control
When one type of population of species is to large.
Have a wonderful day
