Answer:
First, the activity that humans execute that affects their ecosystem positively is reforestation. Second, the activity that humans execute that affects their ecosystem positively is hunting. Their effects rely completely in nature, however, one improves the ecosystem by making it greener and increasing the space nature has to grow, while the other impacts the ecosystem negatively by unbalancing the food chain.
Explanation:
The reasons behind this answer are that in the first place the ecosystem is a very sensitive environment that can be affected by a wide range of factors. In the first place, reforestation helps the environment have better conditions for the animals that live in it, as well as to provide the human race a better quality of air, water and feel better after living in a more natural ecosystem. While hunting breaks the ecosystem's balance because it allows the food chain of the ecosystem to break and allow a general modification.
The answer is
c. he should write down data clear, step-by-step instructions as he goes along
<span>1.Pour the raw milk into a stainless steel pot.
2.</span>Heat the milk to 110 degrees F (it's still raw at this temperature).<span>
3.</span><span>Add 1 packet of your direct-set starter culture to the milk.
4.</span><span>Stir the milk and starter together gently until combined.
</span>5.<span>Pour the mixture into the yogurt maker jars.
</span>6.<span>Put the jars into the yogurt maker (without the lids).
</span>7.<span>Turn on the yogurt maker and incubate the yogurt for about 7-8 hours until the yogurt has set.
</span>8.<span>Remove the jars from the yogurt maker, screw on the lids, and store in the fridge.
</span>9.<span>Yogurt is good for up to 2 weeks.</span><span>
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The central nervous system of the frog is different from that of humans; if the optic nerve of a frog is cut, the animal will be able to see again within weeks but the same damage in humans would cause permanent blindness :).
They respire and give off c0^2
