Answer:
C. 200 billion
Explanation:
The milky way galaxy is estimated that there is 200 billion stars
Answer:
D is correct answer...!
Explanation:
Enzyme binds with substrate to form ES complex.
E+S--->ES Complex--->E + P
To prevent blood flowing back after each heartbeat. They ensure that the blood flows only in one direction (back to the heart).
1) Speed = distance / time
s = 60 / 2
s = 30 km/h
In short, Your Answer would be Option B
2) Speed = distance / time
s = 25/4
s = 6.25 km/h
In short, Your Answer would be Option B
[ Direction not needed as it is speed not velocity ]
Hope this helps!
Answer:
Lake A: pH = 4.5; Lake B: pH = 7.5
Explanation:
I think that one because if you look on the acid vs base chart acid is from 0-6 and bases are from 8-14 and acids are less toxic, so you would infer that lake A has acid and lake B has bases.
i would have picked the ones closest to 7 ,which is neutral, but I'm not sure that a base can be lower then 7 so I didn't pick answer C
