Answer:
Active transport: movement against a gradient To move substances against a concentration or electrochemical gradient, a cell must use energy. Active transport mechanisms do just this, expending energy (often in the form of ATP) to maintain the proper concentrations of ions and molecules in living cells.
Answer:
extinct?
Explanation:
i think we need a bit more context like subject or smthng
The correct answers are 2. arid climate and 4. oil resources
The climate always causes environmental climate, especially arid one, while oil both extraction and production creates environmental problems.
Answer:
eukaryotes
Explanation:
All organisms in the kingdoms Protista, Plantae, Fungi, and Animalia are eukaryotes
