The Smurfs want to put insulation in their new mushroom house keep them warmer. Papa Smurf decided to determine which
1 answer:
Answer:
1. It was a control variable
2. Type of insulation
3. Temperature
4. Plastic lids <em>or </em>Water <em>or </em>Half Full <em>or </em>Direct Sunlight
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That'd be known as the water table if I remember correctly.
XX=female chromosome XY= male
Answer: What has genetic engineering been used to produce?
Explanation: A