1. Gametes are formed by.. (1 point)

National goals such as those from Healthy People 2010 and the Centers for Disease Control and Prevention (CDC) encourage curricu

goldenfox [79]

Answer: 16.7%

Explanation: Children and adolescents (ages 6 to 17 years) engage in 60 minutes or more of moderate-to-vigorous physical activity daily as described by the CDC in The Physical Activity Guidelines for Americans (second edition).

However, elementary and high schools usually run from 8 a.m to 3 pm (or 3.30pm in some cases) daily. High school students take six one-hour classes or four 90-minute classes and an hour lunch break daily.

Thus, the CDC recommends 60minutes of physical activities daily, which account to 16.7% of the total class duration (6 hours) per day.

4 0

3 years ago

Which organisms perform cellular respiration?

sineoko [7]

Eukaryotes

Glucose and oxygen

Carbon dioxide and water

Carbon dioxide and water

Glucose and oxygen

7 0

3 years ago

Which part of the plant cell performs photosynthesis ??

Oliga [24]

Photosynthesis is performed in the chloroplasts.

3 0

4 years ago

Read 2 more answers

DDT was widely used as a pesticide for 20 years. Its use was banned after studies showed severe side effects were evident in hum

e-lub [12.9K]

Answer:

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Explanation:

5 0

3 years ago

many pathogenic bacteria species are bcoming resistant to antibiotics. explain how such adaptions can develop through the proces

zepelin [54]

Answer:

Antibiotic resistance evolves naturally via natural selection through random mutation, but it could also be engineered by applying an evolutionary stress on a population. ... The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce.

Explanation:

Antibiotic resistance evolves naturally via natural selection through random mutation, but it could also be engineered by applying an evolutionary stress on a population. ... The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce.

5 0

4 years ago

Read 2 more answers