1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
agasfer [191]
3 years ago
11

Joseph studied whether different materials can block certain electromagnetic waves by testing television reception in different

parts of the house. At each part of the house, Joseph used a different antenna. The experiment could have been improved by _______________________________.
Testing reception of a different channel during each trial.


Using the same antenna during each trial.


Measuring the antenna length in centimeters.


Measuring the distance to the television station.
Biology
1 answer:
alisha [4.7K]3 years ago
3 0
<span>Using the same antenna during each trial.

</span>
You might be interested in
A girl who weighs 30 kg is inline skating at a speed of 5 m/s. What is
marissa [1.9K]
The kinetic energy is 375 (I don’t know the units)
3 0
4 years ago
How might fat cells be able to help people with spinal injuries
Andrei [34K]
A Japanese research team reported that DFAT cells expressed neurotrophic factors, such as BDNF and GDNF, prior to and after transplantation and which likely contributed to the promotion of functional recovery of spinal damage.
4 0
4 years ago
Please, Please help! ​
yulyashka [42]

Answer:

c) Because enzymes are proteins, they have a very specific order of amino acids that make up their structure (including the active site), meaning that only one key can fit in. The active site, or "lock" will recognise the substrate or "key" and will only let that one in and therefore can only catalyse a specific reaction.

b)  the transcription process delivers information from the DNA to the protein-building machines.

Explanation:

I'm sorry I could only these question, I don't understand 3 a) question, hope this helps!

5 0
3 years ago
Select the four statements that are true. Select the four statements that are true.
olganol [36]

Answer: Based on the equation for Hardy-Weinberg equilibrium, the expected number of wolves with the FBFW genotype is 96.

Based on the equation for Hardy-Weinberg equilibrium, the expected number of wolves with the FBFB genotype is 12.

The population may be evolving because the actual number of individuals with each genotype differs from the expected number of individuals with each genotype.

The population is not at Hardy-Weinberg equilibrium.

Explanation:

The FB allele should accounts for 120 of the alleles (40 × 2 = 80 in FBFB wolves, + 40 × 1 = 40 in FBFW wolves).

the FB allele would make up 20% (120/600) of the total alleles in the population, so the value of p would be 0.2. The allele frequencies of the population must add up to one for it to be valid (what this means is p+q=1); therefore, since the value of p is 0.2, and the value of q is 0.8.

According to the Hardy-Weinberg equation, the expected frequencies of the genotypes would add up to 1.

= p2+2pq+q2

= 1

or

= 0.22+2(0.2)(0.8)+0.82

= 1

or

= 0.04+0.32+0.64

= 1

8 0
3 years ago
jill has a beaker. in this beaker there are two layers. the top layer is transparent with yellow tint to it, and the bottom laye
Kobotan [32]

C lipid is the answer

-Agarvated team

5 0
4 years ago
Other questions:
  • What is the main factor that prevents the growth of tropical plants in the northern part of the United States
    11·1 answer
  • What compounds are in building blocks of DNA macromolecules a) nucleotide
    9·1 answer
  • 2.   Which of the following is true about chemical energy?
    7·1 answer
  • Fourteen Grey wolves were introduced into Yellowstone in 1995. By the end of 1997, there were 100 wolves in Yellowstone, and by
    7·1 answer
  • Why did small, rocky planets form close to the sun?
    11·1 answer
  • I need help with 5 science questions :)
    9·1 answer
  • How are rivers made ?
    5·2 answers
  • The measured distance between genes D and E in a two point test cross is 50 map units. What could this mean in physical terms
    10·1 answer
  • A Case Study in Classification
    10·1 answer
  • N
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!