Answer:
the number that below the perch in the food chain is 5,000 units of DDT
Explanation:
The computation of the DDT accumulated in its body is shown below:
= 100 units minnows × 50
= 5,000 units of DDT
hence, the number that below the perch in the food chain is 5,000 units of DDT
Therefore the same would be considered
Answer:
A student can measure the number of gas bubbles given off by the algae.
Explanation:
- Photosynthesis is the process where green plants convert light energy into the fuel energy for their development and activities.
- Algae is also involved in the photosynthesis process, so the it releases the gas bubbles.
- The oxygen emission process is done by secreting the bubbles by green plants during photosynthesis process.
- So to know about the photosynthesis rate the number gas bubbles, really helps a lot.
Hello Yosamy,
This is a rather broad question but I guess one way you can answer this is.
In the year of 1970 scientists began bio-genetic engineering.
~Naterator
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Weathering, acid rain can mostly destroy like stone, I suggest you look up pictures of acid rain and how it affects (limestone)
