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Stolb23 [73]
3 years ago
8

True or False: Before the universe was created, there was just space.

Biology
2 answers:
Delvig [45]3 years ago
8 0

Answer:

A

Explanation:

jarptica [38.1K]3 years ago
7 0

Answer:

True

Explanation:

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Are human beings still evolving? are we evolving in a specific way?
zloy xaker [14]

Answer: We are evolving to the environment, and the changes around us. And those that don't die

Explanation:

They put pressure on us to adapt in order to survive the environment we are in and reproduce. It is selection pressure that drives natural selection ('survival of the fittest') and it is how we evolved into the species we are today. Genetic studies have demonstrated that humans are still evolving.

6 0
4 years ago
Both of tim's parents have brown eyes, but tim has blue eyes. how is this possible? choose the best answer.
Annette [7]
Where are the choices?

the answer could be that both parents are carrying the heterozygous genes. so let's say B is the dominant brown eye gene and b is the recessive blue eye gene. both parents could possess the Bb genotype, and hence by using test cross, Tim was that 25% chance where a child could inherit the bb genotype to have blue eyes
6 0
3 years ago
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The mutation resulting in sickle-cell disease changes one base pair of dna so that a codon now codes for a different amino acid
harina [27]
I believe the answer is substitution.
4 0
3 years ago
When a neuron is at rest, there is a charge separation (voltage) across the plasma membrane called ________?
Gnom [1K]
The answer for the above question is the resting membrane potential. The resting membrane potential is the voltage across a cell plasma membrane in the resting or quiescent state. It is controlled by the amount of certain potassium channels and other factors that contribute to resting membrane potential are the concentration of ions on the inside and outside of the cell, the permeability of the cell membrane to the ions through specific ion channels and also the activity of electrogenic pumps such as Na+/K+ -ATPase. 
4 0
3 years ago
carbon is removed from the atmosphere and put into food through photosynthesis respiration decomposition diffusion
swat32
6CO2 + 6H20 -> C6H12O6 + 602
Carbon Dioxide + Water = Glucose + Water
Carbon Dioxide is an input of Photosynthesis which is a process mainly plants use to make their own 'food' (organic compounds).

Carbon is removed from the atmosphere and put into food through PHOTOSYNTHESIS :)
6 0
3 years ago
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