Plants have roots. What is the main function of roots? A. Make food B. Hold the plant in place C. Make flowers D. Make seeds 相关知识点: 试题来源: 解析 B。解析:植物的根主要功能是固定植物。选项 A 制造食物是叶子通过光合作用;选项 C 制造花朵不是根的功能;选项 D 制造种子也不是根的...
(x−1)(x 2)(x−3)×⋯×(x 98)(x−99)(x 100)=0( ).A. −50 B. 50 C. −100 D. 100 相关知识点: 试题来源: 解析 A The sum of the roots is 1−2+3−4+⋯+97−98+99−100 =(1−2)+(3−4)+⋯+(97−98)+(99−100) =−1×50 =−5...
Shoot growth is influenced by light. Plant shoots bend towards the light source. 5 Root In vascular plants, the roots are the organs of a plant that are modified to provide anchorage for the plant and take in water and nutrients into the plant body, which allows plants to grow taller and...
A root hair cell in a plant absorbs minerals that have been dissolved in water.They allow a plant to absorb these minerals by increasing the surface area; this is extremely beneficial to plants that live in dry areas. The root hair cells are delicate structures on the root of a plant whic...
there are no trees, the rain falls on hard ground and flows away from the surface, causing floods and carrying away with it the rich topsoil ,in which crops grow so well. When all the top soil is gone, nothing remains but a useless desert. What is the most important function of trees...
B Getting to the Answer: Set the equation equal to zere, then divide through by 3 on both sides to remove the -coefficient: 3x^2+9x-54=0 x^2+3x-18=0 (x-3)(x+6)=0 x=30r-6 The question asks for the sum of the roots, which is 3t(t)=3. The correct answer is (B)....
The whole purpose of Roots & Shoots is to educatein addition另外,此外young people from pre-schoolers to university students so they can⑦be committed to致力于;委身于help to build a future that is secure and live together in peace with na-⑧environmental protection环境保护ture.pre-schooler /...
What’s more, the technique can help models clear up ambiguity in a user query. It also reduces the possibility that a model will give a very plausible but incorrect answer, a phenomenon called hallucination. Another great advantage of RAG is it’s relatively easy. Ablogby Lewis and three ...
What Is the Function of a Merkle Tree? A Merkle tree provides a way to verify data without needing to verify every datum contained in a set. The Bottom Line A Merkle root is the result of hashing transactions in a block, pairing them, and then hashing that result. This pairing and hash...
In fact, historically its origins in the 1600's and onwards were strongly rooted in the scientific desire to understand problems of speed, time, acceleration and forces. Unfortunately, calculus is often nowadays taught somewhat divorced from these historical roots. Such real world applications, ...