The tricuspid valve shuts. This prevents blood from flowing backward into the right atrium while the ventricle contracts. So, your answer will be the Tricuslid Valve. Hope I helped!
The answer is cell division
Of course the major needs of a plant is CHLOROPHYLL, because chlorophyll makes the plant green then SUNLIGHT, because the process cant work without energy. Then WATER and CARBON DIOXIDE.
Hoping this could help
DRN or data release number refers your unique 4 digit code on the FAFSA confirmation page and your student aid report
Answer:
''Planets moves around the sun with constantly changing speed.''
''The sun uses its gravity to pull the planets towards it''
Explanation:
These two statements describes Newtons laws of Motion and Gravity. With statement 1, which shows the motion of the planets constantly changing due to the attraction of the sun. When the planets come close together to the sun, its orbital speed increases while on the other hand, when the planets goes farther from the sun, its orbital speed decreases. The statement 2 indicates that sun attracts other planets due to its gravity which allow them to move in a curved.
