There have been multiple accounts created with the sole purpose of posting advertisement posts or replies containing unsolicited advertising.

Accounts which solely post advertisements, or persistently post them may be terminated.

charizardcharz ,

Plants do indeed use O2. They use if for the same reason we do, the have mitochondria that use O2 during respiration.

During the day plants typically produce more O2 than they consume, but at night they need it from elsewhere.

  • All
  • Subscribed
  • Moderated
  • Favorites
  • random
  • [email protected]
  • lifeLocal
  • goranko
  • All magazines