A scientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas. They are each made of matter. Some are compounds and some are elements. They all contain atoms. [ -best describe all of the materials he is using in the investigation. ]

4 0

3 years ago

Choose the answer that best completes the sentence. ______ zebra mussels can live six or seven years, now it seemed that most we

stiks02 [169]

Answer:

Explanation:

A. Since

B. Because

C. Although

D. For example

<em>Zebra mussels have been known to have a lifespan of six or seven years in the past but recent discoveries have shown that their average lifespan now ranges between one to two years. Hence, the correct word to fill in the gap would be 'Although'. </em>

<em>The correct option is C</em>

5 0

3 years ago

Please help me with this question:)

grandymaker [24]

That is the nucleus!

Hope this helpeddd

8 0

3 years ago

Read 2 more answers