Answer:
Fossil steroid and molecular clock evidence suggests that animals originated between 770 and 710 million years ago
Explanation:
List of large volcanic eruptions in the 21st century
VEI Volcano (eruption). Country
2 Mount Sinabung Indonesia
4 Kelud Indonesia
3 Mount Ontake Japan
4 Calbuco Chile
23 more rows
For a fish to be buoyant, or float, it must displace less water or the same amount of water as its own body mass. ... Many fish use swim bladders to help them with quick depth changes. These bladders fill with air to help fish rise or release air so fish can sink, often in conjunction with forward movement.
Answer: atp and adp
Explanation: atp is an unstable molecules which hydrolyzes to adp and inorganic phosphate when it is in equilibrium with water.