The correct answer is (b) <span>They can be directly observed.</span>
We are dependent on photosynthesis because photosynthesis is an essential process in our natural environment that helps to sustain plant life, produce oxygen, reduce Co2, and promotes human and animal well-being.
<span>The one thing that is not true of water is that D. it is a poor solvent.
Water is known as the universal solvent. Water will dissolve more things than any other liquid in the world. Both the chemical and the physical attributes makes water the universal solvent. The molecules in water have a polar arrangement of the hydrogen and oxygen molecules. One of the sides, hydrogen, has a positive electrical charge while the oxygen side has a negative side. The answer is D.</span>
Answer:
Gravitational attraction provides the centripetal force needed to keep planets in orbit around the Sun and all types of satellite in orbit around the Earth. This means gravity makes the Moon accelerate all the time, even though its speed remains constant.
Explanation:
