Answer:
Meiosis
Meiosis is the process involved in the production of pollen or male sex cells in an angiosperm flower.
Explanation:
Answer:
(When molecules move in this way, they are said to move down their concentration gradient.) Three common types of passive transport include simple diffusion, osmosis, and facilitated diffusion. Simple Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.
Explanation:
I think
Answer:
was caused by global warming that left ocean animals unable to breathe. The largest extinction in Earth's history marked the end of the Permian period, some 252 million years ago
Explanation:
answer:
earth's average temperature would be near 0°F (or -18°C)
explanation:
greenhouse gases in the air, mainly carbon dioxide, methane, and water vapor, trap radiation from the Sun and act as a thermal blanket around the planet. without the greenhouse effect, earth would have an average temperature of -18 °C and be covered in ice. life as we know it would not be able to survive.
good luck :)
hopefully this helps
have a great day !!
