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UkoKoshka [18]
4 years ago
5

Which is the best way to boost memory and enhance concentration?

Biology
2 answers:
avanturin [10]4 years ago
6 0

Answer: Get some sleep, eat healthy ,and meditate.

Explanation:

Brrunno [24]4 years ago
6 0

Id say, study for 40 minutes, take a 10 minute break and continue doing that, over and over again. Also, take notes! After youve finished taking notes, then go through them again a couple times the same day, and a couple days later.

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In a certain population, the allele causing sickle cell anemia has a frequency of 0.2. If the population is in genetic equilibri
tiny-mole [99]

Answer:  

32% population would be heterozygous for this gene.

Explanation:

Due to technical problems, you will find the complete explanation in the attached files

Download pdf
3 0
3 years ago
In order for natural selection to occur, organisms must (select all that apply) Check All That Apply have variation that can be
Fiesta28 [93]

Answer:

  • have variation that can be passed from one generation to the next
  • survive longer than another organism
  • have adaptations to their environment.
  • have differential reproductive success.

Explanation:

  • Naturla selection is the survival and reproduction of individuals due to different phenotypes. The naturla selection represents a mechanism of evolution and changes in traits of species.
7 0
3 years ago
The updrafts and downdrafts represented within this cloud are primarily caused by differences in?
andreev551 [17]

Answer:

B.air density

Explanation:

Updraft and downdraft is the upward and downward movement of air.

It caused by differences in air densities. There could be differences in air current due to the heat that occur in the ground during the day time which makes air above more warmer than the air below. The air above is less dense as it rises above it becomes cool.

It also occur when air current moves over mountains.

6 0
3 years ago
Which kind of molecule is used by organisms to store and transmit genetic material?
steposvetlana [31]
The answer is going to be DNA
4 0
4 years ago
Read 2 more answers
Please answer as best you can.
Likurg_2 [28]
Of the two?
2.         T      t
         Tl TT  Tt
          tl  Tt    tt

3.        T        T
         Tl TT     TT
          tl  Tt      Tt

thats all i can do sorry

5 0
4 years ago
Read 2 more answers
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