A control group in a scientific experiment is a group separated from the rest of the experiment, where the independent variable being tested cannot influence the results. This isolates the independent variable's effects on the experiment and can help rule out alternative explanations of the experimental results.
The needs with the amount of budget from highest to lowest include
- Food
- Education
- Household operation
- Savings
- Medical & dental
- Utilities
- Recreation.
The most important aspect of life in organisms is food as we need it to stay
alive and healthy which is why it has the highest budget.
Education comes second due to it ensuring people are learned ,developed
and has a relatively high cost.
Read more about Budget on brainly.com/question/24940564
The enamel. For example lemon juice can destroy your enamel it’s like another way that protects the teeth but you should also protect the enamel.
A community of plants and animals that live and interact together in a particular region is called an ecosystem.