MULTIPLE CHOICE Question 5
True or False
When the Apollo astronauts went to the moon, they weighed about < of what they
weighed on Earth. This is because the moon's mass is less than Earth's mass.
M
TRUE
FALSE
А
?
A
00
B

humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduction of invasive species (such as new predators and food competitors), overhunting, and other influences. explosive, unsustainable human population growth is an essential cause of the extinction crisis.

explanation:

i didn't have the answer choices , but i tried my best.

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

i might be wrong but i think its a. let me know if i’m right and have a good rest of your day!