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DENIUS [597]
1 year ago
7

Brad is swimming in the ocean on a hot sunny day. he finds the water to be much colder than the sand on the beach, even though t

he sun is warming them both. identify the reasons for brad’s observation. the water is colder than the sand because it requires more to change temperature. this is because the water has a higher than the sand.
Biology
1 answer:
Sonja [21]1 year ago
6 0

Answer:

The sea has a higher specific heat capacity than the sand meaning it takes more energy to heat up. The sand has a lower SHC so it requires less energy to heat up therefore heats faster and Brad will observe the sand to be hotter than the sea

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what is the force needed to move a boy and his wheelchair with a combined mass of 30kg at 0.4 meters per square second
vichka [17]

Answer:

The force needed to move a boy and his wheelchair with a combined mass of 30kg at 0.4 meters per square second is 12 newton.

Explanation:

  • According to Newton's second law based motion "the moving object's acceleration is based upon two terms - one is the total force acting upon that object and the other one is the net mass of the object."
  • In mathematical term, F=ma. where F= force, m= mass, a= acceleration.
  • So, by performing the calculation, \bold{\mathrm{F}=30 \times 0.4 \mathrm{N}=12 \mathrm{N}}
  • 12N force will move the boy along with the wheel chair.
8 0
3 years ago
Which type of fossil can help us understand an organism’s activity during its lifetime?
trasher [3.6K]

Answer:

trace fossils

Explanation:

Trace fossils are fossils that provide information about the biological activities and behaviors of past organisms.

5 0
2 years ago
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Q:- You may have heard through various media of an animal alleged to be the hybrid of a rabbit and a cat. Given that cat (Felis
weeeeeb [17]

Answer:

41 chromosomes

Explanation:

Cats have a dipoid chromosome number of 38, <u>so their gametes will have half that number: an haploid number of 19 chromosomes</u>.

Rabbits have a dipoid chromosome number of 44, <u>so their gametes will have an haploid number of 22 chromosomes</u>.

When a cat gamete (n=19) joins with a rabbit gamete (n=22) to form the hybrid zygote, it will have 19+22=41 chromosomes. When it undergoes mitotic division, all its somatic cells will have 41 chromosomes.

6 0
3 years ago
If T = tall and t = short for a pea plant, what would a pea plant that has Tt as its alleles for that trait look like ?
Vikentia [17]

Answer:

<u>B. Tall</u>

Explanation:

since an allele that's paired with a dominant allele has no effect on the organism.

5 0
3 years ago
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Ivanshal [37]
The people represented by the ends of the bell-curve are the most rare.

This could mean that if it's an iq curve the people at the ends have either a really high or really low iq etc.
8 0
3 years ago
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