Answer;
A. The curl-up only tests the endurance of the abdominal muscles, not their strength
Explanation;
Curl up test measures abdominal strength and endurance. This test focuses predominantly on the main abdominal muscle, the rectus abdominus, and may not evaluate the core as a whole.
This test requires the athlete to complete as many curl-ups as possible at a rate of 20/minute. This test provides a means to monitor the effect of training on the athlete's physical development.
The definition of board that is used in the first sentence is A group of people who have managerial or advisory power while the definition of board that is used in the second sentence is Food provided in exchange for pay.
The word board is known to mean several things. Board could mean a piece of flat wood.
The word could also mean getting on a means of transport such as a bus or an aero plane.
Board could also mean a group of individuals that are at the helm of affairs in an organization.
With these definitions, the board that can veto decisions is one that has managerial or advisory power.
While the board that makes students pay for room is food that is exchanged for pay.
In conclusion options 2 and 4 are the definitions of board used in both sentences.
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Heterozygous. A diploid organism is heterozygous at a gene locus when its cells contain two different alleles of a gene.