Answer:
Reaction a: chemical, reaction b: nuclear
Explanation:
Fertilizer
Explanation:
A variable in an experiment is that factor that changes and it causes differences in the phenomenon one desires to observe.
Meredith desires to study the effects of different types of fertilizers on fruit crops.
- In order to achieve a good result, the component of the fertilizers should vary.
- She must tryout different proportion of nitrogen and phosphorus in the fertilizer on the fruit crop.
- The variable in the experiment is therefore the fertilizer. It is the factor that is changing.
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Length is what meter measures
Answer:
D
Explanation:
Noble gases do not have free valence electrons. They have complete octet or dublet Structure
Tides are important because, Making the world better, one answer at a time. Tides are important to the animals that live there because food is brought to them with high tide. Most of these animals live there because they would not be able to survive in deeper waters so the tide is their primary source of food.
