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
Snezhnost [94]
3 years ago
9

Which is true?

Biology
1 answer:
Basile [38]3 years ago
3 0

Answer:

some chemical teactions release energy and other reactions absorb energy but all chemical reactions involve changes in energy

You might be interested in
Water travels down in a<br> waterfall at a rate of 15<br> feet per second.<br> I
sergey [27]

Answer:

ok be more specific and I will answer it in the comments

I can't help only knowing that water goes at 15 ft per second

Explanation:

7 0
3 years ago
WILL NAME BRAINLYEST
Nadya [2.5K]

Answer:

Rr

Explanation:

Rr, assuming that the flower petals are capable of incomplete dominance.

In incomplete dominance, a heterogeneous can show a mixture of the two traits (ie. white and red mix to pink or in your case blue and yellow mix to green).

3 0
3 years ago
This mineral has a metallic luster, and feels very heavy in your hand (as a result of the particular metallic cation in the mine
bekas [8.4K]

The answer should be, Galena.

6 0
4 years ago
Greater portions of the beach begin to reappear during _____.
masya89 [10]
Greater portions of the beach begin to appear during ebbing tides, until the maximum amount of beach is visible at low tide. They usually happens twice in a day. Beaches results from wave action by which waves or currents move sand or other loose sediments of which the beach is made as these particles are held in suspension.
7 0
3 years ago
How are plant and animal cells similar to one another and different from each other?
masha68 [24]
Similarities: Nucleus vacuoles, chromosomes Mitochondria, cell membranes cytoplasm, nucleus membrane.<span>

Differences: P</span>lant cells contain chloroplasts which make the plants food (sugar). this process is called photosynthesis.  A plant cell also has a cell wall, a stiff outer layer that surrounds and protects the cell and gives it shape.
8 0
4 years ago
Other questions:
  • A reporter gene--that is, a gene whose activity is relatively easy to detect--is commonly used to study promoter activity under
    10·1 answer
  • A 17 year-old female has a bone marrow biopsy for examination as a potential volunteer stem cell donor for her mother who has ac
    11·1 answer
  • Which is one of the most important differences between prokaryotes and eukaryotes?
    7·1 answer
  • What kinds of molecules allow interactions between cells &amp; the matrix?
    15·1 answer
  • The hydrophilic regions of a membrane protein are most likely to be found are
    13·1 answer
  • What is more permeable? Gravel, sand, or silt?
    12·1 answer
  • What animal is called the ship of the desert
    10·2 answers
  • In humans, dimples are dominant to not having them. If a heterozygous female mates with a male who is also heterozygous, what ar
    11·1 answer
  • NEED HELP PLEASE
    11·2 answers
  • Machines known as “DNA synthesizers” can produce short pieces of DNA. <br> True or false
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!