Answer:
Ozone layer... pollution
Explanation:
The ozone layer is a layer in the atmosphere which provides a barrier between harmful UV rays and the Earth. However, pollution is quickly depleting the layer which in turn creates a higher risk of skin cancers and other conditions caused by harmful UV rays.
These components include;
Cardiorespiratory Endurance: Ability of the circulatory and respiratory systems to supply oxygen during sustained physical activity.
Guidelines
3 - 5 days per week
20-60 minutes a day
intensity of 60%-90% of MHR
Muscular strength; the ability to perform activities that require high levels of muscular force.
2 -3 days per week
2-6 sets
≤ 6 repetitions
Intensity of 80 - 90 % of 1RM
Muscular endurance;
2 - 3 days per week
2 - 3 sets
≥ 12 repetitions
Intensity of 60% - 70% of 1RM
Flexibility
2- 3 days a week
≥ 4 repetitions per muscle group
15 - 60 seconds
Body composition Women men
Essential fat 10-13% 2-5 %
Athletes 14-20% 6-13 %
Fitness 21-24% 14-17 %
Average 25-31% 18-24%
Obese ≥ 32% ≥ 25%
Different: in covalent bonds, atoms share electrons, whereas in ionic bonds atoms transfer electrons.
Alike: Both ionic and covalent bonding lead to the creation of stable molecules.
Answer:
If T=tall and t=short, what will be the physical appearance of the offspring in the cross?
Explanation:
It looks like your question is incomplete, so I'll try to fill in the blanks.
The offspring will depend on the parents. Each parent will need two alleles, so each parent would have to be TT (tall), Tt (tall) or tt (short--this is the only way to have a short individual).
Here are all the possible crosses:
TT X TT = 100% TT (all tall)
TT X Tt = 50% TT, 50% Tt (all tall)
TT X tt = 100% Tt (all tall)
Tt X Tt = 25% TT (tall), 50% Tt (tall), 25% tt (short)
tt X tt = 100% tt (short)
Note that if there is a T present in the genotype (TT or Tt), that individual will be tall. The only way to produce short offspring is for the both parents to have a copy of the short allele (t).
