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
Lorico [155]
3 years ago
8

What is activation energy?

Biology
2 answers:
3241004551 [841]3 years ago
7 0

D. energy needed to break chemical bonds

MrMuchimi3 years ago
5 0
The answer is D. energy needed to break chemical bonds
You might be interested in
The Neanderthal skeleton known as the "old man" showed evidence of many injuries over a long life. Several broken bones had heal
UNO [17]

Answer:

It has been suggested that these kinds of lesions may be indicative of  fighting with other members of its species or the attacks of predators

Explanation:

The Neandertals were exposed to very hard environmental conditions, thereby these lesions may be indicative of such conditions to which this species was exposed.

5 0
3 years ago
How is the atmospheric oxygen that is taken in by living things for resperation replaced?
wel

Answer: Oxygen from the atmosphere is combined with carbohydrates to liberate the stored energy. Water and carbon dioxide are byproducts. Notice that photosynthesis and respiration are essentially the opposite of one another. Photosynthesis removes CO2 from the atmosphere and replaces it with O2.

Explanation:

6 0
2 years ago
Read 2 more answers
Question is below, plz help
Ymorist [56]
Both are 50%, this is because Rr is dominant in a purple stem and rr is recessive in a green stem. By crossing these plants Rxr= Rr and rxr= rr.
3 0
3 years ago
Nutrients enter a cell ______ the concentration gradient by the process of _______.
sergejj [24]
A. Nutrients and other materials pass through the cell membrane through the process of diffusion. This allows the cell to perform all the activities it requires for daily maintenance and living. The concentration gradient allows the cell to regulate just how much of a certain material passes through it.
6 0
3 years ago
Read 2 more answers
_____ tools enable readers to mark important vocabulary and text.
NARA [144]
Highlighting I believe A
6 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following would be a good tool to represent data in terms of percentage of a whole
    5·1 answer
  • A DNA molecule is shaped like a
    5·2 answers
  • What is the product made by the electron transport chain
    8·2 answers
  • What types of flowers produce the most nectar?
    7·1 answer
  • The phospholipid bilayer of the cell membrane is both hydrophobic and hydrophilic. Why is this important to the function of the
    11·2 answers
  • How might climate change affect species on earth​
    5·1 answer
  • Tell some thing about Ch 9 of class 8th ​
    11·1 answer
  • What are Gametes cells?
    14·2 answers
  • During the Dutch Fork vs Irmo softball game, Bobby tore a connective tissue that attaches his thigh bone to his hip-bone. Which
    6·1 answer
  • Florida is hot most of the year. Will a cougar show seasonal changes?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!