Question

2 ★ Fill in: breathe, observing, repeat, separate, struggle. 1 For this study, the psychologist will ......... the girls from the boys. Although I ........ 2 in chemistry. 3 The air we ............... in physics, I do very well is actually 78% nitrogen and only 21% oxygen. ...... their experiments again and again to make sure the results are valid. 4 Scientists have to 5 Biologists have to be patient while they're .... animals in the wild.

Answer 1

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Снизу

Пояснення:

1. For this study, the psychologist will **separate** the girls from the boys. Although I **struggle**.

2. **Breathe** in chemistry.

3. The air we **observe** in physics, I do very well. It is actually 78% nitrogen and only 21% oxygen. **Repeat** their experiments again and again to make sure the results are valid.

4. Scientists have to **repeat**.

5. Biologists have to be patient while they're **observing** animals in the wild.

Answer 2

1. For this study, the psychologist will separate the girls from the boys. Although I struggle in chemistry.

2. The air we breathe in physics, I do very well is actually 78% nitrogen and only 21% oxygen. Repeat their experiments again and again to make sure the results are valid.

3. Scientists have to observe.

4. Biologists have to be patient while they're observing animals in the wild.