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
lianna [129]
3 years ago
11

Some early methods of contraception include which of the following? a. Lemons b. Papaya seeds c. Cotton d. All of these

Biology
1 answer:
Blizzard [7]3 years ago
6 0

Answer:

D. All of these

Explanation:

Women in the past used sponges soaked in lemon juice to prevent pregnancy. The citric acid in lemons acts as a natural spermicide. The lemon rind itself (with pulp and juice removed) could be used as a cervical cap. Unripe papaya was used to prevent or terminate pregnancy. ... The seeds of the papaya could actually serve as an effective male contraceptive. Papaya seeds, taken daily, could cut a man's sperm count to zero and was safe for long-term use. The cotton could be seen as a tampon, but was also quite effective as a method of birth control.

You might be interested in
I am confused and my brain is fried. Can someone help?​
dimulka [17.4K]

Answer:

1=T

2=F(in the mitochondria)

3=F (i am not sure about this one.)

Explanation:

Hope this helps

4 0
3 years ago
Sarah recently learned that O2 is found in the Earth’s water bodies. She was amazed to know the proportion of O2 found in the oc
Mamont248 [21]

It has been found that the rainforests are accountable for about one-third, that is, 28 percent of the oxygen of the Earth, however, the majority of the oxygen, that is, about 70 percent in the atmosphere is generated by the marine plants. The left-over two percent of the oxygen comes from other sources.  

The majority of the oxygen comes from the tiny plants in the ocean known as phytoplankton, which lives near the surface of the water and drifts with the currents. Similarly to plants, they perform the process of photosynthesis, that is, they utilize carbon dioxide and sunlight to prepare food, oxygen is the by-product of photosynthesis.  

However, the concentration of the dissolved oxygen, which the water can hold relies on the salinity and temperature of the water. The cold water can withhold more oxygen in comparison to warm water and fresh water can hold more oxygen in comparison to salt water. So, the warmer and saltier the water is, the less will be the oxygen dissolved in it.  


7 0
2 years ago
What are biological associations
kobusy [5.1K]

Answer:

In ecology, a biological interaction is the effect that a pair of organisms living together in a community have on each other. They can be either of the same species (intraspecific interactions), or of different species (interspecific interactions).

Explanation:

pa brainliest

7 0
3 years ago
Read 2 more answers
Name 3 abiotic factors found in the Yellowstone ecosystem
Sonbull [250]

Answer:

rocks, water, geyser

7 0
2 years ago
How do prokaryotic cells, eukaryotic cells and viruses differ?
Kipish [7]
Viruses<span> are much, much smaller than </span>prokaryotes<span>. </span>Prokaryotic<span> and </span>Eukaryotic cells<span>are both alive, while </span>viruses<span> are not. </span>Viruses<span> have very few organelles, similar to the</span>prokaryotic cells<span>. They contain a plasma membrane, </span>cell<span> wall, RNA or DNA, and a protein capsule.</span>
4 0
2 years ago
Other questions:
  • The space between the middle layer of the meninges and the deepest layer of the meninges is:
    6·1 answer
  • Divergent boundaries, normal faults and slope are land features which result from stretching the Earth’s crust. Reverse fault ja
    11·2 answers
  • Sexual reproduction relies on two sex cells uniting in fertilization to form a single cell know as a(n) _______.
    8·1 answer
  • Which of the following is true about radio waves?
    10·1 answer
  • Corals use harpoon-like to catch food
    6·1 answer
  • Two unique fossils that identify from snapshots loacated on parv bed​
    11·1 answer
  • Cells not dissolve in blood but they form a because they do not settle out of the blood either
    8·1 answer
  • Suppose a person has a small intestine that has a fewer villi than normal. would the person most likely be overweight or underwe
    10·1 answer
  • Why blood in pulmonary artery is voilet but in pulmonary vein is scarlet?​
    6·2 answers
  • Why do I not get sick when I eat cheese with holes in it, but I do get sick when I eat chicken that has gone bad?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!