Which features are true for both osmosis and diffusion?
- Arequire a partially permeable membrane ✓; require a concentration gradient ✓; are energy consuming processes ✗
- Brequire a partially permeable membrane ✓; require a concentration gradient ✗; are energy consuming processes ✓
- Crequire a partially permeable membrane ✗; require a concentration gradient ✓; are energy consuming processes ✗
- Drequire a partially permeable membrane ✗; require a concentration gradient ✗; are energy consuming processes ✓