Who is responsible for our current climate change? Why? Asteroids, when they burn up in the atmosphere they release chemicals that trap heat. B. It is natural, it has happened at the same rate before. C. Humans, Increased release of CO2 from burning fossil fuels. D. We don’t know, there is no scientific evidence for it.

it doesn't. it was imagined up in the middle ages.

b. false

explanation:

suppose a rock in free fall is dropped off a cliff. after falling for 5 seconds, its speed would not be 100 m/s.

the given statement is true.

sensory memory lasts for a fraction of seconds before the information is lost. it is the shortest -term memory and can be called as an element of memory. example: when we look at something and remember what it looks like, is just a second of observation. it degrades very quickly. it can also be considered as the process of perception rather than considering it as a memory.