Where do scientist hypothesize the first living things originated? options:
A. Water vapor from volcanoes
B. Chemicals in a “primordial soup” on earth’s surface
C. Oxygen that formed through photosynthesis
D. From comets or asteroids that collided with earth

What are the answers for the following questions?

Look at the diagram showing the different wavelengths in sunlight. which statement describes electromagnetic waves with wavelengths greater than 700 nanometers? they take the form of heat. they can cause skin cancer and sunburn. they are some of the shortest waves. they can be seen by human eyes as visible light.

Most people can afford to spend approximately 2 ½ times their gross annual income for the purchase price of a home