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
k0ka [10]
3 years ago
9

What purpose does a female pine cone serve?

Physics
2 answers:
erma4kov [3.2K]3 years ago
7 0

protects the seeds until it matures

Dimas [21]3 years ago
5 0
The answer is <span>It protects the seed until it matures.

Through the process of elimination:
- </span><span>It protects the seed until it matures. YES. A female pine cone the unfertilized seeds until they become mature. Then, the cone opens and seeds fall out of the cone.

</span><span>- It makes food for the adult plant. NO. The food of plants in made of green leaves that contain chlorophyll in the process of photosynthesis.
- It allows for photosynthesis to occur. NO. The cones have nothing to do with photosynthesis but they are responsible for reproduction.
- It acts as an object to attract birds. NO. The birds look for colourful flowers while cones are woody.
- It serves as an ornamental object on the tree. NO. Every part of plants has more important function than serving as an ornamental object.</span><span>

</span>
You might be interested in
How many days does it take for a free to grow?
vovikov84 [41]
Idk what is growing but if it’s a free than c
7 0
3 years ago
What observations of the martian surface led lowell to the conclusion that intelligent life forms existed on mars?
Alexus [3.1K]

Icecaps that are dissolving, a system of canal-like geometric features, and various pitch black surface markings are all thought to be vegetation are the observations of the martian surface led Lowell to the conclusion that intelligent life forms existed on Mars.

<h3>What is a solar system?</h3>

It is a system that collection of all the planets and spatial bodies revolving around the sun because of the gravitational pull of the sun.

Our Solar System is based on a heliocentric model in which the Sun is assumed to reside at the central point of the planetary system.

In other words, the Sun is at the center while the Earth and other planetary bodies revolve around it.

Lowell came to the conclusion that intelligent life existed on Mars based on his observations of the martian surface, which included melting icecaps, a network of geometric patterns that resemble canals, and numerous markings on the completely black surface that are believed to be flora.

Learn more about Solar systems from here,

brainly.com/question/12075871

#SPJ4

3 0
2 years ago
An object of mass 300 g, moving with an initial velocity of 5.00i-3.20j m/s, collides with an sticks to an object of mass 400 g,
Alexus [3.1K]

Answer:

Velocity is 2.17 m/s at an angle of 9.03° above X-axis.

Explanation:

Mass of object 1 , m₁ = 300 g = 0.3 kg

Mass of object 2 , m₂ = 400 g = 0.4 kg

Initial velocity of object 1 , v₁ = 5.00i-3.20j m/s

Initial velocity of object 2 , v₂ = 3.00j m/s

Mass of composite = 0.7 kg

We need to find final velocity of composite.

Here momentum is conserved.

Initial momentum = Final momentum

Initial momentum = 0.3 x (5.00i-3.20j) + 0.4 x 3.00j = 1.5 i + 0.24 j kgm/s

Final momentum = 0.7 x v = 0.7v kgm/s

Comparing

1.5 i + 0.24 j = 0.7v

v = 2.14 i + 0.34 j

Magnitude of velocity      

       v=\sqrt{2.14^2+0.34^2}=2.17m/s

Direction,  

       \theta =tan^{-1}\left ( \frac{0.34}{2.14}\right )=9.03^0

Velocity is 2.17 m/s at an angle of 9.03° above X-axis.

7 0
3 years ago
This diagram shows how a certain type of precipitation is formed. Water drops are caught in up-drafts and down-drafts, over and
Svet_ta [14]

It would be B. Hail.

5 0
3 years ago
Help me plz.<br>Show workings​
ddd [48]
Change in momentum: finial momentum - initial momentum
Momentum = mass * velocity
Mass = 100g, same as 0.1kg
m(v-u) = 0.1(10-2) = 0.1(8)
The answer is 0.8Ns
3 0
3 years ago
Read 2 more answers
Other questions:
  • Which muscle disorder does donna’s doctor diagnose? donna is suffering from leg pain in which the calf muscles contract involunt
    15·2 answers
  • Which of the following occurs as light travels farther from its source?
    11·1 answer
  • When air is blown across the top of an open
    14·1 answer
  • Describe three physical changes that occur in nature?
    7·2 answers
  • What type of objects cannot pull to magmets
    7·2 answers
  • The speed of a wave changes depending on the temperature of the medium. What do you think is the reason for this?​
    10·1 answer
  • HELP ME PLSSS I WILL GIVE YOU ANYTHING HELPPPPPPPP MEEEEEEEE
    14·2 answers
  • Look at the image to answer the question correctly.
    9·1 answer
  • 1. In the context of the poem, what does it mean to feel alone? How can two people experience isolation despite living in the sa
    12·1 answer
  • What happens to most of the light waves that strike a clear pane of glass
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!