Answer:
B. The sugar dissolves in the water and the lemon slices do not.
Explanation:
The lemons floated to the top of the glass and the sugar dissolved. Only the sugar is soluble
Explanation:
The role of active cytotoxic T cells is to attack <u> </u><u>body cells that have been infected</u>
Nonrenewable resources and found it fixed amount hence not managing properly will lead to full use of it and cannot be replaced
Explanation:
- Nonrenewable resources are found in the ground and they are the natural resources created by nature
- It includes fossil fuels, like natural gases, oil, coal, etc and also the minerals used for making metals
- These natural resources have taken more than human's life span to form, up to million years. Hence, replacing of these natural resources are not possible
- Renewable natural resources are trees, water, air. These resources can be recycled and they are also circulating in the atmosphere in the form of a cycle.
- Hence, nonrenewable resources should be managed properly for it last for the coming generations.
Answer:
Carbon dioxide and oxygen can't pass through the cuticle, but move in and out of leaves through openings called stomata
Explanation:
<span>The ecosystem is the lowest level of the biosphere hierarchy to include weather patterns and soil conditions.
in the whole biosphere hierarchy, ecosystem actually placed as the second highest (1 place below biosphere)
But there are only 2 hierarchy that include weather and soils, and those hierarchies are biosphere and ecosystem. So technically the ecosystem will be the lowest in this matter</span>
