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Ipatiy [6.2K]
3 years ago
13

Ans fast plz I need the and​

Biology
1 answer:
egoroff_w [7]3 years ago
7 0
Is it the theory of evolution or “Lamarckism”
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A geologist is comparing the properties of different minerals. He rubs each one on a piece of white tile and observes the color
gulaghasi [49]

Answer:

              Streak test is used to compare the properties of different minerals.  

Explanation:

                    Streak test is perform on rocks to check the properties of a mineral or rocks. If you have a piece of white floor tile, You can use it for the test. In this test we rub mineral on a piece of white tile Turn your tile so that the dull side faces up. Take your rocks one at a time and rub them back and forth over the surface of the tile and observe the color of the powder left behind which will tell about the type of mineral.

3 0
3 years ago
You design an experiment to test the hypothesis that consuming caffeine increases a person's chances of developing a headache. P
lora16 [44]

Answer:

d) A group that does not drink soda (caffeinated or decaffeinated) or other caffeinated beverages for 10 days

Explanation:

In an experiment, two groups exist as follows: experimental group and control group. Experimental group is the group that receives the experimental treatment (independent variable) while the CONTROL GROUP is the group that does not receive the experimental treatment.

In this experiment, the experimental treatment is the CAFFEINATED SODA (contains caffeine). Hence, the appropriate control group for this experiment will be the group that does not drink any soda (whether caffeinated or decaffeinated) or other caffeinated beverages for 10 days.

4 0
3 years ago
True or false (Gravity is an example of a non-contact force.)
schepotkina [342]

Answer:true

Explanation:

Gravity is non contact

7 0
3 years ago
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True or false some lycophytes live anchored to an object or another plant
PIT_PIT [208]
This  is a True Statement.HOPE IT HELPED YOU
8 0
3 years ago
Cortisone and cortisol are types of ________ produced by the middle cortical layer of the adrenal gland.
MaRussiya [10]

Answer:

glucocorticoids

Explanation:

4 0
2 years ago
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