Only answer if you have an answer to one of the questions. Thank you.
A part of the periodic table is shown.
Which of the following elements is less reactive than the others? Beryllium (Be) Calcium (Ca) Lithium (Li) Magnesium (Mg)
Answer:
Beryllium (Be)
Explanation:
Remember periodic trends...
Period: reactivity decreases as you go from left to right
Group: reactivity increases as you go down the group
Which is most likely a chemical property?
A) Oxidation state: the charge an atom has if it was bonded ionically to other atoms Different oxidation states indicate different abilities to bond with other atoms.
B) Melting point: the temperature at which a solid turns into a liquid. Different substances have different melting points.
C) Density: the amount of a substance that fits in a certain volume. Different states of matter of the same substance can have different densities.
D) Conductivity: the ability to transfer electrical charges. Conductivity is different in different substances.
Answer:The oxidation state
Explanation:
Which tissue system in the plants are the most similar to the integumentary system in animals explain your reasoning
Answer: Epidermis
Explanation:
“ In plants, the epidermis is the tissue most like the integumentary system in animals.”
Answer:
In plants, the epidermis is the tissue most like the integumentary system in animals. The epidermis covers the body of the plant, including stems...
Explanation:
its epidermis...
What is the passage mainly about?
a
different tools humans have invented to harness information
b
gamma rays and x-rays
c
electromagnetic waves and how humans utilize them
d
why waves have different wavelengths
Answer:
What is the passage?
Explanation:
Read the following sentence:
"When you look at a basketball, what are you seeing?"
Why might the author have started the passage with this question?
a
to give the reader an object to visualize before examining the role of light
b
because the main idea of the passage is about basketball
c
because the author wants to use the example of basketball to explain electromagnetic radiation
d
to show how important the color orange is to electromagnetic waves
Answer:
Explanation: B because its talking about basketball
Answer:
I'm pretty sure A would be the answer
How do you use gene version in a sentence?
Answer:
That is quite a gene pool you two have
Explanation:
Answer:
You have your father's genes.
I couldn't think of anything else lol
Describe what happened with Mendel crossed purebred tall pea plants with purebred short pea plants.
Answer:
He found that the recessive trait such as the short plants disappeared, and only the dominants trait stayed, tallness, but when he allowed them to self pollinate, the recessive gene, shortness reappeared.
Explanation:
The what tells how many protons or electrons there are in an atom
choices:
A.atomic mass
B.atomic number
C.electrons
Answer:
i think its atomic number
Explanation:
Some elements have properties of metals and nonmetals, which make them useful in electronic devices. Where can these elements be found?
a
section B
b
section D
c
section C
d
section A
What are the names of the two subatomic particles located at y?
a
neutrons and electrons
b
protons and neutrinos
c
neutrons and protons
d
protons and electrons
Plz help will give 20points
HELPPPP ASAP!!!!! These are the last onesss
i’m just a little confused can someone explain ?
Basically, there is a presentation of types of food and the amount of those foods over 50 years in this graph. This means the graph is showing amounts of certain foods over the time period. I'm guessing that basing off of the the previous text you're just noting a change in the breaks of birds based off of the diet available to them at certain times. The adaptations and natural selection will explain the changes because due to certain limited and available foods the diet of the birds change.
Only answer if you have an answer to the question. Thank you.
Answer:
A familiar example of homeostatic regulation in a mechanical system is the action of a thermostat, a machine that regulates room temperature.
Explanation:
Answer:
Humans' internal body temperature is a great example of homeostasis. When someone is healthy, their body maintains a temperature close to 98.6 degrees Fahrenheit (37 degrees Celsius). Being warm-blooded creatures, humans can increase or decrease temperature internally to keep it at a desirable level.
Explanation:
Please help will give brainliest if answer is backed up with two sentences!
Answer:
Oxygen molecules from the air he breathe pass through his respiratory system and sent to his cells through a circulatory system. The digestive system of Ezra breaks the starch in the bread and protein in the cheese into necessary glucose and amino acids.
The chemical reaction takes place between glucose and oxygen to generate energy by Ezra's cells. The energy generated by the cell is released, so that Ezra have enough energy to play basketball.
Explanation:
can someone explain i’m a bit confused??
Answer:
It basically means that, because of the drought certain foods will be unavailiable. the birds will have to start eating other foods and over time evolution will change their beaks so that the can eat the new food easier.
Explanation:
Answer:
Explanation: I agree to Iamthatoneguywastake
You overheard a classmate in the hallway say the following statement.
???: it gets warmer when you move up the atmosphere because you are getting closer to the sun.”
Do you agree or disagree with him.
If possible could you explain why you agree or disagree it could help me a lot because I’m kinda confused.
The graph below shows the average amount of rainfall of several types of biomes.
(look at image attached)
A certain type of plant cannot survive in very wet areas.
Which of the following biomes would best support this type of plant?
A.
tropical forest
B.
semiarid desert
C.
temperate forest
Answer:
semiarid desert
Explanation: