Answer:
500 seconds.
Explanation:
it drops 2 ft/sec, so it's altitude decreases 2ft every second, so the slope is negative 2. We start out at 1000ft, so that's our y intercept and we need to set y to 0, as that's the altitude when the bird lands. So in form
y = mx + b, we plug in our values:
0 = -2x + 1000
0 + 2x = -2x + 2x + 1000
2x = 1000
x = 500
Because out of that very low chance of winning there a 30 you can win
Answer:
It keeps the entire food chain and food web in alignment. In a deciduous forest ecosystem, the leaf litter serves as a primary food for bacteria and other decomposers, and those feeders help keep the food chain stable.
Explanation:
Answer:
A logical evidence would be narratives, personal experience, and subjective accounts.
The placebo effect, because one group believes they are receiving a new prescription but they are actually taking the same prescriptions they always have. This can also be called a single blind experiment because the test subjects do not know which group they are in (or that there are two groups most likely), but the psychologist(s) know who is taking which prescription/who is in which group.