Electrical conductivity tester.
If the bulb begins to glow brightly when the plug is submerged in the unknown solution then the solution has high conductivity.
The bright glow of the bulb resulting from the experiment indicates that the current flows easily through the unknown liquid.
All three genes are linked,and gene 2 and 3 area are strongly linked
Answer:
Answer:
New York City: 50 Years ago: 625 ppm Present Day: 893 ppm Future Development Impact: 843 ppm. Recommendation: Stop littering in water, to help keep it clean.
Amazon Rain forest CO2: 50 Years ago: 318 ppm Present Day: 402 ppm Future development impact: 338 ppm Recommendation: Avoid human interaction so nature can take its course.
Sahara Desert Loss Of Land: 50 Years ago: 1.2 Meters Present Day: 3.5 Meters Future development impact: 2.4 Meters Recommendation: Using better farming practices by rotating crop locations can help with soil erosion.
Explanation:
I changed the wording so it cant be traced, but some websites had the answer key.