Answer:
1. Participants are randomly assigned to intervention or control
Explanation:
Quasi-experimental study -
It is the study to estimate the impact of an intervention on the target population with any random assignment .
This Quasi-experimental research shares , the similarities with the randomized controlled trial or the traditional experimental design .
But in this study , there is random assignment for the control or treatment .
Hence , from the options given in the question , the correct is ( 1 ) .
Chains of volcanoes along continental coastlines.
<span />
Headlands are known as high attacking waves, shores
that are rocky, forceful erosion and vertical sea cliffs. They are created when
the sea outbreaks on a coastline comprising of a group of hard and soft rocks. They
are surrounded by water.
<span>Bays on the other hand, are created when there is
less resistance of eroding soft rocks (e.g. sands and clays) forming a group of
stronger rocks (e.g. granite, chalk, limestone) into a headland. They are
surrounded by a land.</span>
Answer:
2 half lives
Explanation: 100% then 50% = 1 half life, 50% then 25%=2nd