Answer:
D. can be your answer
Explanation:
because she is testing and finding differnt results which can help her find the algae levels in a local stream.
The most important part of an experiment would be; identifying and controlling variables.
In order to set up an experiment, you need to test the specimen(s) with and without a curtain variable. That is what makes an experiment a test.
Answer:
3. The equator receives more direct sunlight than the North Pole.
Explanation:
<h2>The equator is the longest latitude at 0°.</h2><h2>The equator isn't influenced any change when the earth revolves around the sun cause winter and summer. </h2><h2>That's why equator is warmer than north and south pole.</h2>
<h2>I hope you understood</h2>
C. Is your answer. Electrons are negatively charged.
